964 guy here... I had a 3.8 RS motor with the EXACT same rich dip on the Dyno. Turned out to be a cracked barrel. So, I'm guessing you are right - ring or barrel.
I'm thinking Valve float from not changing springs when they upgraded the cams that's why issue was at high rpm and also why piston eventually hit valve hard enough to cause damage I would bet more than 1 piston will have sign of pistons hitting valves old springs cam upgrade is probably what led to all this
Is it not just a snapped Rocker arm? That's what happened to my 964 Turbo after it's fancy engine rebuild and a quick trip to the limiter during a burnout. We replaced the rockers with fancy forged ones (not a massively easy job) and it was fixed. I'll cross my fingers for you dude.
Honestly the fact that you still incorporate these more technical segments/videos is why we keep coming back to your channel! You and Cleet speak to car enthusiasts while most of the other big car youtubers only make vids for people just getting into cars (thats totally fine but those vids get old lol).
This comment is right Adam, we come back because you do all the great drifting, drag strip, offroading in the GTR, amongst all these you still find time to do these technical videos for us who really appreciate how engines work and cars go together along with the work involved to get it done.
Cringe seeing a millionare not even checking all three basic things for a engine to run before contiously doin full pulls on a dyno with a hurt engine hoping to find a easy/small fix like the the fucking sparkplug wires having the wrong resistance its not a F1 car it has distributors either its no spark or spark basically 🥲
Engine builder here: Rich dip could have been caused by weak valve springs, this is a common thing to see on stock early LS engines and Barra 6's. It would also be the likely cause of your dropped valve, it would have valve floated up in the rev range, most likely because of the new cams making it go places it hadn't before.. Always a good idea to replace valve springs with a cam change.
yeah, i would have to go back and double check if they did new valvetrain parts (springs, etc) when they did the cams. larger lift without a matched spring would be poor judgement. plus younger tech working on older air cooled stuff didnt give me that much confidence.
It would also explain his Dyno graph allowing more air so the power curve was weird but the timing and spark was off because of them floating causing the air fuel to be off
I didn't see his build. Watching this as he said he broke it. Did he not do springs with the cam? Interesting. Wouldn't you also do valve train, guides and seats while in there? And if there was a dropped valve, did anyone measure piston to valve clearance? So many things.....Just know it's not ideal to just do cams alone
Can’t lie I know you said this was a very nerdy video but it’s one of the best videos you made recently (the e36 drift car breakdown was also just as good) Loved the in-depth diagnostics from a relatable person who is learning while trying to figure something out it shows the ‘not so glamorous side’ of cars and shows human side of you 😅😅
I appreciate technical videos like this. Often you make the process of car modification/improvement look extremely simple. It’s good to get some context that with car improvements comes concerns and sometimes things just go wrong. Thank you for taking us on this journey so we can all learn more from it.
I’m here for the technical videos. Been a big fan of you for a long time and a porsche guy for an even longer time. This is a big bummer to see but I’m excited to see where this car goes in the future and how great it’ll be when it comes back
Adam, sorry to hear about this speed bump. Getting my 911 3 years ago was certainly a milestone for me, so it hurts to see you go through this. Keep your head up, and hopefully you’ll get your 964 back on the road. Take your time on the rebuild. One of my friends is also converting her tiptronic to a manual and it’s taking a year. Slow and steady wins the race. Air-cooled cars are a different animal and it’s the slightest thing that can throw an entire system off. Be patient my friend!
That really sucks, but just use it as an opportunity to build it back better like you always do! Honestly would love for you to do a sick NA stroker build and turn it into an OEM+/LZFMG interpretation of what your gt3 touring would be like in 964 form
@@g32k oh 100% agree, the timeline sucks more than the money I think. We all knew it would eventually end up with a crazy stroker or something really unique and cool, just sucks that he wasn't able to enjoy it as is before it happened
As disappointing and possibly despressing that this situation is, im so happy for yourself that you are grateful for learning more and educating yourself further. I've been watching you from the times of the red mx5 miata. Seeing you grow and be transparent with your content makes everything you post so fantastic. You dont hide things, which is amazing. Thankyou Adam for producing amazing content with the team you have built! Everyone that has been watching appeciates it greatly! Keep up the fantastic work!!!!
I'm not even that into cars, but a video like this is really fascinating to me because you explain key words and the part's function so it's easy for people not educated on the subject to understand. Keep up the great content man
the cylinder bore peice is called a "Jug" usually - think of a dirtbike/ATv engine /VW engine/Corvair engine - valve probably dropped due to excessive RPM and had valve float - if the springs in the heads weren't rated for the new cam lift or were just on the edge of compensating for the higher lift then that would do it. In these engines its not as big a deal because each jug (cylinder) is seperate - so you can pull the head, have it repaired with new valves, pull the one damaged jug and piston replace those and put it all back together. The good thing about these engines and most air cooled engines is that each bore is pretty isolated - all in all if you dont have to split the case or messed up the bottom end which unless theres bit of piston that got into the bottom end which is very unlikely its not that big of a deal
If the valves aren't closing correctly during compression due to float, then it could push some air back through the valve, leaving more fuel than air, causing the rich dip? So valve float could be the fuel issue, and explain the dropped valve. (I am not a porch mechanic) edit: if its floating both valves, it could also push an unburnt air fuel mixture out the exhaust, causing a rich reading out the exhaust.
Or a spun big end bearing allowed the piston some extra stroke & to meet the valve. That could be disastrous if there’s crank damage or swarth through the engine
@@The888Redlich Thats possible but you would have to take off a lot of material for them to meet - and plus you would have little to no oil pressure if you spun a big end bearing. - at the very least a drop in oil pressure you would notice.
@@djdavis4713 exactly what the problem was the whole time I would bet my left marble lol but this is exactly what I was thinking when I remembered them doing bigger cams and left factory springs. It would literally explain everything why it made more up top cause of the extra air but because the fuel and spark wasn't there exactly when needed it showed that weird graph
@@The888Redlich nah think about every cam upgrade on the market always tells you to upgrade springs I've seen this exact issue on LS engines with cam install on factory springs and seen it on B series
We are with you on this journey Adam! I love Porsche and having you making Porsche content really makes me happy! Can’t wait to follow what’s coming next!
I really enjoyed this video, I’ve been watching your channel for about 3 years now and I enjoy watching every single video that comes out. I’m in love with cars and am willing to learn every single bit of info I can get. I’m not in the greatest position to do what I enjoy right now, im pretty much homeless me and my girlfriend live in our car and we have been living check to check. I’ve been watching you through it all hoping that I could work for you. I would love to help you and your crew in every way I can
You going this in depth on diagnosing your build is much appreciated, will I ever own an air cooled Porsche? I’d like to think so 😂 however being who you are with all the facilities and knowledge you have available amongst your team, being unable to diagnose the problem goes to show you’re only human. Now I know scouring the Internet forums for a post from 10 years ago and pulling up the occasional Chris Fix video is something ever car guy goes through and will eventually circle back to 😂😂 as a close friend of yours says “keep moving forward” 🤷🏻♂️
I love your obsessive logic. It ALL made sense. PS: GREAT episode - not boring at all. But I am a Porsche nut myself (air and water cooled) so loved the linear fault finding. I had a similar problem with my 964 - and was head issue (not the rich but the miss). Then had a terrible knock with my Boxster - and that was a stuck lifter. So the way you went through it - sounded very familiar.
I loved this video, recently got into the nitty gritty of my i6turbo, all the numbers graphs are insanely fascinating. You change one thing, and everything changes. Fascinating creatures they are..
Keep your head up. Knowing you have a potential problem with engine is rough. But now you can take a step back and get her fixed up. I've had a car down for four years. But I'm getting it back together. So just take your time and do what you need to do with it. We all understand how big of a car guy you are. So you'll do solid with this car.
LZ Keep going my guy regardless of the circumstances super proud of you bro,been watching you since the old Adam Lz days when u we’re a pro bmx rider you’ve came a long way since then crazy journey tbh bmx-drifter INSANEEE
Damn this is a bummer...but like you said, gives you an excuse to go bigger and better. M3 drift builds or classic Porsche's, we're here either way, Adam.
Problems make everyone feel the same way weather your well off or not, it still causes the same stresses and feelings, sucks the motor is hurt but the authenticity of seeing you bummed out about It shows how much you still care. Hopefully it works out in the end
Dude, the fact that you share all the good and bad is one of the reasons why you are such a popular channel. I wish I could help, but I will keep watching it get fixed.
I love the technical talk, i hate troubleshooting but anytime i can listen to the process i do so when i need to do it i have a good starting set of ideas
I feel you man ❤, destroyed my 2J FRS swap into a tree after 18 months of obsessionally building it. Now I’m trying to start again. Big bummer but I’m sure you will get stronger after this one. And if you asked GOD about learning Porschas now I’m damn sure you will! Keep it mate
I enjoy these videos cus diagnosing problems with the engine is annoying as hell. I bought my gs300 on Xmas eve n ive only driven it maybe 120miles since then cus ive been chasing a fucking P0301 Cylinder 1 Misfire. I've done new plugs new plug wires new coil pack connectors new Cyl.1 Injector and still hasn't solved it. So that leaves 2 possibilities, an ecu problem or the crankshaft timing gear behind the pulley is missing a tooth which causes a Cyl.1 Misfire. So since I don't have a super expensive scanner I'm swallowing my pride n taking it in to my cousins ex-bf shop to figure it out cus hes the best mechanic I've ever met n also has the top of the line equipment so hopefully finally figure it out n make my 2jz happy. It's such a clean car n I love it but this is annoying as hell. All while trying to save up to do a full NaT build using GTE pistons/rods n making it a fun 500hp street/drift car
Ah man there's nothing worse than a relatively small issue that you end up chasing forever, ends up getting expensive real quick and IMO can really make you lose interest in the car. Hopefully you get it sorted soon dude so you can get into the fun parts instead of the "make it work" ones lol
@@crimsonntv I have a 335i and also get misfires lol mine is the 02 sensors though, but I know earlier ones had a habit of burning up either capacitors or resistors in the ECU - which can be repaired but it's a bit of a pain to solder
Did you do a compression test? Lifter problem, damaged/dirty/sticky valve or broken/weak valvespring could be causes, another contender: vacuum leak on the intake side. Im not buying the missing tooth thing, that would cause more faultcodes, but a wiring or ecu issue isnt completely impossible. checking the ecu connector, ecu grounding and wiring continuity on nr1 injector and coil. Hope you get it sorted :)
coil pack wiring peel the sheathing off harness and youll see the rubber coating on the coilpack collectors are brittle cracked and hard its a common problem with the is and gs
The most important part of working on cars is knowing that working on cars can drive you crazy and it’s not all rainbows and sunshine, I appreciate you making this video. I think a lot of people glorify building cars but it can be extremely frustrating at times…. And it’s important people see the process of diaging a car/ chasing ghosts…. Best of luck and I wish you the best my man
Don’t stress Adam videos like this while being sad that it’s blown it is very informative. Out of all the side project builds of yours this is my favourite and second is the rotary Datsun which you should do a video on with cleetus at the drag strip before the drift season starts
I am not an expert or even well educated, but I did learn about air cooled engines in A&P school. We learned about spring resonance frequency which at a certain rpm/frequency the spring wouldn't be able to react quick enough and the valve would float. I believe the solution was dual springs at different rates. If your valve did drop, I would look into the possibility of dual springs. Again, this was in relation to aircraft engines, but they were very similar from what I understand.
@@Ninesixmike I guess we will see when takes the engine apart but by the graph and what happened seems to say otherwise I would almost bet those cams have higher spring rating on the engine they come in then what was in it but we will find out eventually it explains the power band and why it hit if there floating engine is getting more air so power band moves higher but the ignition isn't working properly for that causing fuel issues then eventually hitting piston I would be interested on spring rate of each engine this factory engine and them those for upgraded cam
@@ninaallen7849 I also forgot, was the affected cylinder the one with the missing plug wire? 964 will knock pretty badly at full load without both plugs firing.
Honestly I love the tech talk doesn’t matter if it’s mild or in depth just something I always look forward to in any automotive video from our favorite UA-camrs and all videos
I absolutely love these kinds of nerdy videos. And I think the majority of your followers love this too. We get to learn so much. It's really sad to see the Porsche not working. The Porsche is in the top 3 cars which I love in your videos man. I hope the best for you my boy.
Sorry to hear this Adam because it seemed like you were really enjoying the car, hopefully you can get it rebuilt in short order. I watched Obsessed Garage's last video and you need to do a house update and let us know what you and Collete think.
You are Adam LZ you'll end up turning this around to be something entertaining for all of us. Enjoyed the Technical video and keeping us in the loop. Felt like we were working this out with you.
Very different car, but, my dream car as a kid was to get an old school diesel Hilux - the Aussie Dream. I got it, and enjoyed it for a little while. But it had issues - it sat outside my house for months with major oil leaks, shot tie-rods, ball joints and bushes. Blown front diff, and a bent chassis (got rear-ended in traffic). But after some time, I got some money together and fixed the issues. And I came to enjoy it again. It’s a very real thing to feel down when your *special* car is in a bad way - but so worth it for when it comes back together. Loved the video!
It was a broken valve spring and you were floating a valve at mid RPM on one cylinder. The seat pressure got so weak after redline Dino runs, it finally kissed the piston while floating. I doubt you replaced the valve springs when you installed the new cam, with the higher lift the spring was depressed more than it had been during its service life, due to general metal fatigue, it’s a role of the dice. This is a reason to replace the valve springs when you upgrade a camshaft on any engine that’s had some miles on it. Unfortunately the dice roll for you was snake eyes.
Genuinely one of the most interesting video’s you’ve made in years. I’m really, really bummed for you. That said I’ve genuinely never been this engaged in a video of yours since the purple R32 giveaway build series. I get that this channel has changed and that you need to be the new algorithm and marketing focussed Adam now, but this video was straight up nostalgic in the sense that we got to see the old you again. This video is one of the rare instances of the return of plain black clothes, black raybans just started with the mustache Adam, which imho was THE peak of this channel in terms of era. Just sad that the reason for the nostalgia is a car blowing up… Hope the damage is somehow managable even after watching those last few minutes about the dropped valve. Hope you can just slap on a new bore and piston and refresh the springs and retainers and call it a day.
Thanks for the technical video Adam. There are those of us that are interested in extreme burnouts and still the technical diagnosis of possible issues, so appreciate the video!
To be fair Adam, being honest and showing all does show that everything is not golden and always running. There are downsides to all and any builds regardless if you are experienced in that specific build, in this car the boxer engine in the Porsche. I love all the Tech information, it shows your knowledge and you learning each time. Look what is done is done, the car will be back up and running sweet in no time. The E36 is first, can't wait to see it ringing the compound. Get some rest, clear the head, sleep, eat and go at it again in time. Thanks for the video.
For the ones finding it boring, here's a summary: -Spark plug was smashed. -Spark plug contact with the valve. -Valve probably dropped. -Piston very damaged. -Probably had weak&leaky valve springs. He doesn't know what to do yet... Edit: Thanks for the likes, can't wait to see this car running at it's full potential after another rebuild 😢.
My first thought was him doing the timing backwards, he was a weird expert, he forgot the engine studs or something else at one point too @@XxmillerniaxX
Lollll called this video technical too. Losing brain cells just listening at his attempts to explain anything about the car. Par for the course though.
Really enjoyed your video, especially the explanation detail. My son recommended your 964 story after I told him about a problem I been chasing in my VW Beetle. I like hypothesizing before pulling but often end up finding suppm different why I do the actual pulldown. Looking forward to a confirmation of the problem
Probably valve float, I don't remember if you changed the valve springs to match the new cams but the more aggressive cams need heavier springs or the valves can float at high rpms and contact a piston, it probably just bent the valve causing it not to seal, usually if a valve drops it would have caused a lot more damage.
@@ninaallen7849 oh for real? Nice. Yeah I guess we'll see. Another thing I thought was sus is how no one mentioned anything about ignition timing, they had the dizzy 180 out at first but how did they time it? By ear? I hope not. Now I'm not sure if the dizzy is fixed and it's all computer controlled or what.
@@richardt1293 yeah and did engine rebuild but left old cap and rotor that's weird as well I definitely think any engine builder or tech would recommend installing all new wires, rotor and cap but I'm also curious how they checked timing I thought they should have done coil on plug conversion myself with newer ECU but I'm sure he will get it worked out not trying to make anyone feel bad but dang that's a expensive build
Adam you're a gem, thanks for making this no doubt difficult but very interesting video. Please don't be disheartened; think of this as an opportunity! Imagine all the awesome upgrades you can give that beautiful engine, the learning that will entail and the work of art that'll result. If you need to justify those trick heads well your audience demands them! I really hope you get to do as much of the work yourself as possible despite your schedule. Best of luck living the dream this year mate.
Thanks for all the content! Its awesome to see all the growth over the years, think i found your channel with the cream s15? Anyway, bummer about the engine, sure youll figure it out soon
On an air cooled pancake engine - Had valves stick in the guides. (Recently rebuilt- Possible heat related / different metals, expansion-contraction. Rebuild shop did not say much more about the valves. (Honestly think they smacked stuck valves with a hammer and sent me packing). (Top quality repair - there).
he explained it in one of the build videos, he didn't paint the external part exactly for that reason. They don't want paint because the tolerance with the shroud is really tight and paint causes it to touch but he knew about it and did it the right way
Great nerd car material. I thought the distributor ignition was the issue. Guys like you never deal with archaic old crappy distributors. You are making me want to go nerd out in the garage. Thank you for the video!
Playing devils Advocate here, Get the guys at Tuthill in the UK to build you a 4.0L engine with the new Swindon 4V heads... 12,000 RPM and 400bhp potential might just break the internet!
While I agree, that 911T they built is absolutely sick, I don't think it would be fitting for how he's planning on using his 964, IMO, a nice stroker from DeMan Motorsports would be a better fit (still haven't watched the video, so IDK the extent of what happened yet)
@@johnnygeorgopoulos4072 while I get that logic, the 964 and air cooled Porsches are not really what Demann specialise in. Would 100% send a GT3 to them in a heartbeat mind. Would be more logical to go to Ed Pink if that was the route but sit tight, Chris Harris said on the Collecting Cars Podcast he has just done a wild video with a Tuthill 964RS with the 4V heads.
As someone who is in the market for a project car thanks for showing the real side of working on cars🙌 Sometimes it sucks but it makes it so much better when it does run right
The super technical videos like these are what I enjoy the most. It's interesting to listen and learn things in a long form where they can be explained in depth. Sorry about the engine though, it's sad to see.
Sorry for you, as I know this is a major bummer! Whether you have 1 car that's a DD, Weekend Warrior, Shine and Drive Princess, etc…or 100 amazing halo cars…this sucks emotionally. Keep your head up, we're here for your journey and I personally love all the detail in this video. Looking forward to future updates. Peace.
Long time viewer but only subscribed after watching this video, I guess that just goes to show the type of content and problem solving I enjoy, more of this Adam best of luck getting it back up and running as it should.
No way man...awesome video...knew you were distracted during Mike's Chef session. Cruising down the road in the future with Collette will be well worth the headache!! I can see that grin from ear to ear from here!! 🤔🙃
Man Adam so sorry. I have enjoyed this series far more than all the others. Don't give up on her. Send it to someone who can fix it right, but please don't let it be the end of her! Maybe a collab series with some you tube Porsche guys that will come to you and just go all out to get her right.
It'll be all good bro. I just crashed my 350z two days ago bruv. Lets keep it pushing and embrace how lucky we are to live in these times and get to build our favorite cars. Cheers LZ
I wasnt really into porsche but this car is one of my favorite cars you own. its the vibe for sure. looks amazing. sucks to hear the news, i enjoyed the nerd talk. good luck.
Although you thought the video wouldn't be that interesting for your viewers I found it super interesting! The trial and error of trying to solve the problem and explanation was great to listen to. 👍👍👍
Sorry to hear Adam. BTW, as sad as the circumstances, I much prefer technical videos. Idk if it's because I'm now 24 and when I started watching I was say 18, but as I've matured, the technical content is my favorite style.
Im 14 min into this video and I’ve learned more than I have from any other UA-cam channel combined. More of this style vid even if the views are less please🙌
At the end of the day… the day is over
you right
Dude so facts
Its night after day
🤯
Low key that’s some of the deepest words I’ve ever heard 🤣🤣🤣
964 guy here... I had a 3.8 RS motor with the EXACT same rich dip on the Dyno. Turned out to be a cracked barrel. So, I'm guessing you are right - ring or barrel.
Barrel are the cylinders im guessing?
@@extremecheddarswityomomyes
It was a Dropped valve. 😢
Should’ve watched till the end of the video bud
I'm thinking Valve float from not changing springs when they upgraded the cams that's why issue was at high rpm and also why piston eventually hit valve hard enough to cause damage I would bet more than 1 piston will have sign of pistons hitting valves old springs cam upgrade is probably what led to all this
Is it not just a snapped Rocker arm? That's what happened to my 964 Turbo after it's fancy engine rebuild and a quick trip to the limiter during a burnout. We replaced the rockers with fancy forged ones (not a massively easy job) and it was fixed. I'll cross my fingers for you dude.
Just got to the end of the vid. Gutted for you.
With it being rich and not a lean issue I would think that’s the only logical answer.
Haven’t seen it all, but as an air cooled VW guy I had the same thing happen.
Bigger cams stock springs valve float piston hit valve I think is what happen
@@ninaallen7849interesting. Maybe worth checking the rest of his pistons then? Surely wouldn't have just happened to one cylinder then?
Honestly the fact that you still incorporate these more technical segments/videos is why we keep coming back to your channel! You and Cleet speak to car enthusiasts while most of the other big car youtubers only make vids for people just getting into cars (thats totally fine but those vids get old lol).
And then there is Mat Armstrong 😀
This comment is right Adam, we come back because you do all the great drifting, drag strip, offroading in the GTR, amongst all these you still find time to do these technical videos for us who really appreciate how engines work and cars go together along with the work involved to get it done.
I'd just change my business name to ep3 after this video dropped lol
😂😂
No episode three where you break your car episode nine is where it gets fixed Ep9 hasnt come out yet 😂😂😂
what a fantastic comment
😂
Ep3 Motorsports is already a local shop in ST Charles IL
I guess Dave from Dave's Auto Center is right. Always do a compression test first.
That’s probably right up at the top of the list of things the manufacturer says to troubleshoot first. Read the instructions boys
Make sure to call your loved ones and tell them you love them 🫶
was thining he was going to open with a leak down test... Even better IMO
Cringe seeing a millionare not even checking all three basic things for a engine to run before contiously doin full pulls on a dyno with a hurt engine hoping to find a easy/small fix like the the fucking sparkplug wires having the wrong resistance its not a F1 car it has distributors either its no spark or spark basically 🥲
@@p1gurd Wrong resistance in spark plug wires is a real thing lol
Dunning-Kruger effect
Engine builder here: Rich dip could have been caused by weak valve springs, this is a common thing to see on stock early LS engines and Barra 6's. It would also be the likely cause of your dropped valve, it would have valve floated up in the rev range, most likely because of the new cams making it go places it hadn't before.. Always a good idea to replace valve springs with a cam change.
yeah, i would have to go back and double check if they did new valvetrain parts (springs, etc) when they did the cams. larger lift without a matched spring would be poor judgement. plus younger tech working on older air cooled stuff didnt give me that much confidence.
Super obvious too..best part is he keeps just ripppppping it on the dyno after he tops the blinker fluid off for days. Lol
@@DYhondamanthat guy seemed like he had no idea what he was doing
It would also explain his Dyno graph allowing more air so the power curve was weird but the timing and spark was off because of them floating causing the air fuel to be off
I didn't see his build. Watching this as he said he broke it. Did he not do springs with the cam? Interesting. Wouldn't you also do valve train, guides and seats while in there? And if there was a dropped valve, did anyone measure piston to valve clearance? So many things.....Just know it's not ideal to just do cams alone
Look at the young fella talking about rotor buttons and distributor caps. Warms me heart.
Your explanation of the distributor was hilarious lol
Hilarious but very simply put for those who know nothing about them.
@@ChasingPerfection yea I guess lol
EP9 is a REAL good shop. Family friend just had their 993 fully restored.
Much better than a 996 awesome car
it’s actually the opposite, it’s refreshing seeing you be you in a video like the older days. enjoyed this one.
Probably one of your better videos of late
Just shows how much you care about your cars and I appreciate that
Well done mate
Can’t lie I know you said this was a very nerdy video but it’s one of the best videos you made recently (the e36 drift car breakdown was also just as good)
Loved the in-depth diagnostics from a relatable person who is learning while trying to figure something out it shows the ‘not so glamorous side’ of cars and shows human side of you 😅😅
I appreciate technical videos like this. Often you make the process of car modification/improvement look extremely simple. It’s good to get some context that with car improvements comes concerns and sometimes things just go wrong. Thank you for taking us on this journey so we can all learn more from it.
I’m here for the technical videos. Been a big fan of you for a long time and a porsche guy for an even longer time. This is a big bummer to see but I’m excited to see where this car goes in the future and how great it’ll be when it comes back
Adam, sorry to hear about this speed bump. Getting my 911 3 years ago was certainly a milestone for me, so it hurts to see you go through this. Keep your head up, and hopefully you’ll get your 964 back on the road. Take your time on the rebuild. One of my friends is also converting her tiptronic to a manual and it’s taking a year. Slow and steady wins the race. Air-cooled cars are a different animal and it’s the slightest thing that can throw an entire system off. Be patient my friend!
Still a great video showing the up's and down's of building a car!
That really sucks, but just use it as an opportunity to build it back better like you always do! Honestly would love for you to do a sick NA stroker build and turn it into an OEM+/LZFMG interpretation of what your gt3 touring would be like in 964 form
Still spending an unplanned $60,000 probably isn’t fun
@@g32k oh 100% agree, the timeline sucks more than the money I think. We all knew it would eventually end up with a crazy stroker or something really unique and cool, just sucks that he wasn't able to enjoy it as is before it happened
As disappointing and possibly despressing that this situation is, im so happy for yourself that you are grateful for learning more and educating yourself further.
I've been watching you from the times of the red mx5 miata. Seeing you grow and be transparent with your content makes everything you post so fantastic. You dont hide things, which is amazing. Thankyou Adam for producing amazing content with the team you have built! Everyone that has been watching appeciates it greatly! Keep up the fantastic work!!!!
I'm not even that into cars, but a video like this is really fascinating to me because you explain key words and the part's function so it's easy for people not educated on the subject to understand. Keep up the great content man
I think my head gained about 50 gray hairs when he said, “ they call these rotors” 😂💀
reading this comment took 5 years off my life.
reading your comment killed me instantly. It's hot down here. @@djSpinege
@@NickKautz😂
Well engines with real power uses coil on plugs 😘
Does cams and spends 6hrs timing the engine, and does not replace rotor and cap.... slight "debris".
"Polsche" lol but the sadness on Adam's face is killing me! poor Adam! so many work :(
it is a german brand, thats how youre supposed to say it
labor of love, do it right the first time.
@@pepa1922 Im portuguese, i know how to say “porsche”, I’ve i said “polsche” with a L… like “chinese” accent! Lol
Just a stupid joke ;)
@@andrewmartin4654 its a beetle either way
the cylinder bore peice is called a "Jug" usually - think of a dirtbike/ATv engine /VW engine/Corvair engine - valve probably dropped due to excessive RPM and had valve float - if the springs in the heads weren't rated for the new cam lift or were just on the edge of compensating for the higher lift then that would do it. In these engines its not as big a deal because each jug (cylinder) is seperate - so you can pull the head, have it repaired with new valves, pull the one damaged jug and piston replace those and put it all back together. The good thing about these engines and most air cooled engines is that each bore is pretty isolated - all in all if you dont have to split the case or messed up the bottom end which unless theres bit of piston that got into the bottom end which is very unlikely its not that big of a deal
If the valves aren't closing correctly during compression due to float, then it could push some air back through the valve, leaving more fuel than air, causing the rich dip? So valve float could be the fuel issue, and explain the dropped valve. (I am not a porch mechanic)
edit: if its floating both valves, it could also push an unburnt air fuel mixture out the exhaust, causing a rich reading out the exhaust.
Or a spun big end bearing allowed the piston some extra stroke & to meet the valve. That could be disastrous if there’s crank damage or swarth through the engine
@@The888Redlich Thats possible but you would have to take off a lot of material for them to meet - and plus you would have little to no oil pressure if you spun a big end bearing. - at the very least a drop in oil pressure you would notice.
@@djdavis4713 exactly what the problem was the whole time I would bet my left marble lol but this is exactly what I was thinking when I remembered them doing bigger cams and left factory springs. It would literally explain everything why it made more up top cause of the extra air but because the fuel and spark wasn't there exactly when needed it showed that weird graph
@@The888Redlich nah think about every cam upgrade on the market always tells you to upgrade springs I've seen this exact issue on LS engines with cam install on factory springs and seen it on B series
We are with you on this journey Adam! I love Porsche and having you making Porsche content really makes me happy! Can’t wait to follow what’s coming next!
I really enjoyed this video, I’ve been watching your channel for about 3 years now and I enjoy watching every single video that comes out. I’m in love with cars and am willing to learn every single bit of info I can get. I’m not in the greatest position to do what I enjoy right now, im pretty much homeless me and my girlfriend live in our car and we have been living check to check. I’ve been watching you through it all hoping that I could work for you. I would love to help you and your crew in every way I can
You going this in depth on diagnosing your build is much appreciated, will I ever own an air cooled Porsche? I’d like to think so 😂 however being who you are with all the facilities and knowledge you have available amongst your team, being unable to diagnose the problem goes to show you’re only human. Now I know scouring the Internet forums for a post from 10 years ago and pulling up the occasional Chris Fix video is something ever car guy goes through and will eventually circle back to 😂😂 as a close friend of yours says “keep moving forward” 🤷🏻♂️
I love your obsessive logic. It ALL made sense.
PS: GREAT episode - not boring at all. But I am a Porsche nut myself (air and water cooled) so loved the linear fault finding.
I had a similar problem with my 964 - and was head issue (not the rich but the miss).
Then had a terrible knock with my Boxster - and that was a stuck lifter.
So the way you went through it - sounded very familiar.
I loved this video, recently got into the nitty gritty of my i6turbo, all the numbers graphs are insanely fascinating. You change one thing, and everything changes. Fascinating creatures they are..
Its a sign! Time for full RS build, DO IT!!!!
Audi RS??
@@Trevor.drafts ofc dude.. rs6 v8Tt swap ........ 🤣🤣🤣🤣
I'm in on the Rs3 2017 😭just want someone to push it,it sounds ohhhh eargasim
@erikjohansson4390 ya he's not going to cut up the car.
why those engines sound like a donkey fart@@erikjohansson4390
Keep your head up. Knowing you have a potential problem with engine is rough. But now you can take a step back and get her fixed up. I've had a car down for four years. But I'm getting it back together. So just take your time and do what you need to do with it. We all understand how big of a car guy you are. So you'll do solid with this car.
LZ Keep going my guy regardless of the circumstances super proud of you bro,been watching you since the old Adam Lz days when u we’re a pro bmx rider you’ve came a long way since then crazy journey tbh bmx-drifter INSANEEE
Damn this is a bummer...but like you said, gives you an excuse to go bigger and better. M3 drift builds or classic Porsche's, we're here either way, Adam.
Problems make everyone feel the same way weather your well off or not, it still causes the same stresses and feelings, sucks the motor is hurt but the authenticity of seeing you bummed out about It shows how much you still care. Hopefully it works out in the end
Dude, the fact that you share all the good and bad is one of the reasons why you are such a popular channel. I wish I could help, but I will keep watching it get fixed.
Very sad to see but relatable Adam. I’m a 996 owner and the confidence you get with these cars after a rebuild is night and day
I love the technical talk, i hate troubleshooting but anytime i can listen to the process i do so when i need to do it i have a good starting set of ideas
I feel you man ❤, destroyed my 2J FRS swap into a tree after 18 months of obsessionally building it. Now I’m trying to start again. Big bummer but I’m sure you will get stronger after this one. And if you asked GOD about learning Porschas now I’m damn sure you will! Keep it mate
I enjoy these videos cus diagnosing problems with the engine is annoying as hell. I bought my gs300 on Xmas eve n ive only driven it maybe 120miles since then cus ive been chasing a fucking P0301 Cylinder 1 Misfire. I've done new plugs new plug wires new coil pack connectors new Cyl.1 Injector and still hasn't solved it. So that leaves 2 possibilities, an ecu problem or the crankshaft timing gear behind the pulley is missing a tooth which causes a Cyl.1 Misfire. So since I don't have a super expensive scanner I'm swallowing my pride n taking it in to my cousins ex-bf shop to figure it out cus hes the best mechanic I've ever met n also has the top of the line equipment so hopefully finally figure it out n make my 2jz happy. It's such a clean car n I love it but this is annoying as hell. All while trying to save up to do a full NaT build using GTE pistons/rods n making it a fun 500hp street/drift car
Ah man there's nothing worse than a relatively small issue that you end up chasing forever, ends up getting expensive real quick and IMO can really make you lose interest in the car.
Hopefully you get it sorted soon dude so you can get into the fun parts instead of the "make it work" ones lol
I bought a 535i and couldn't get rid of a misfire. Turns out it was the ECU. Sometimes it's the brain of the cae
@@crimsonntv I have a 335i and also get misfires lol mine is the 02 sensors though, but I know earlier ones had a habit of burning up either capacitors or resistors in the ECU - which can be repaired but it's a bit of a pain to solder
Did you do a compression test? Lifter problem, damaged/dirty/sticky valve or broken/weak valvespring could be causes, another contender: vacuum leak on the intake side.
Im not buying the missing tooth thing, that would cause more faultcodes, but a wiring or ecu issue isnt completely impossible. checking the ecu connector, ecu grounding and wiring continuity on nr1 injector and coil.
Hope you get it sorted :)
coil pack wiring peel the sheathing off harness and youll see the rubber coating on the coilpack collectors are brittle cracked and hard
its a common problem with the is and gs
The most important part of working on cars is knowing that working on cars can drive you crazy and it’s not all rainbows and sunshine, I appreciate you making this video. I think a lot of people glorify building cars but it can be extremely frustrating at times…. And it’s important people see the process of diaging a car/ chasing ghosts…. Best of luck and I wish you the best my man
Don’t stress Adam videos like this while being sad that it’s blown it is very informative. Out of all the side project builds of yours this is my favourite and second is the rotary Datsun which you should do a video on with cleetus at the drag strip before the drift season starts
Probably the alternator
I did tell him to get a wosp billet high output alternator 🤷🏼
@@Colver_Focus_Rswho would listen to someone who dedicates his nickname to a shit car
@@J3n555 he’s not wrong and don’t hate dude, the RS isn’t a bad car, great back road ripper.
@@J3n555 savage 😂😂 assuming your from the states ? Do you get the mk1 focus rs ?
@Colver_Focus_Rs The only rs in the States is the mk3.
I am not an expert or even well educated, but I did learn about air cooled engines in A&P school. We learned about spring resonance frequency which at a certain rpm/frequency the spring wouldn't be able to react quick enough and the valve would float. I believe the solution was dual springs at different rates. If your valve did drop, I would look into the possibility of dual springs. Again, this was in relation to aircraft engines, but they were very similar from what I understand.
Yep especially with bigger cam should always upgrade springs
Factory springs are dual and sufficient for the cams installed if in good condition
@@Ninesixmike I guess we will see when takes the engine apart but by the graph and what happened seems to say otherwise I would almost bet those cams have higher spring rating on the engine they come in then what was in it but we will find out eventually it explains the power band and why it hit if there floating engine is getting more air so power band moves higher but the ignition isn't working properly for that causing fuel issues then eventually hitting piston I would be interested on spring rate of each engine this factory engine and them those for upgraded cam
@@Ninesixmike also if the other pistons also show marks will be giveaway
@@ninaallen7849 I also forgot, was the affected cylinder the one with the missing plug wire? 964 will knock pretty badly at full load without both plugs firing.
Honestly I love the tech talk doesn’t matter if it’s mild or in depth just something I always look forward to in any automotive video from our favorite UA-camrs and all videos
I absolutely love these kinds of nerdy videos. And I think the majority of your followers love this too. We get to learn so much. It's really sad to see the Porsche not working. The Porsche is in the top 3 cars which I love in your videos man. I hope the best for you my boy.
These are my favorite videos. Not that it blew up but the tech talk. I actually skip though a lot of your drifting only videos.
I’m gonna say it. Should have took that man’s 200k offer!
Sorry to hear this Adam because it seemed like you were really enjoying the car, hopefully you can get it rebuilt in short order. I watched Obsessed Garage's last video and you need to do a house update and let us know what you and Collete think.
You are Adam LZ you'll end up turning this around to be something entertaining for all of us. Enjoyed the Technical video and keeping us in the loop. Felt like we were working this out with you.
Those seperate cylinder portions are called "cylinder jugs" alot of times. Aircooled vw have the same setup.
Well Porsche is VW so
jugs pretty easy to describe
The technical term is banks. Three main parts are case, banks, and heads.
You mean to tell me this thing has 6 banks of cylinders? @@MX304
username checks out lol
Damn Adam.. sorry this happened but knowing you this car is going to have an even better motor setup sooner than later, keep your head up man!
Very different car, but, my dream car as a kid was to get an old school diesel Hilux - the Aussie Dream. I got it, and enjoyed it for a little while. But it had issues - it sat outside my house for months with major oil leaks, shot tie-rods, ball joints and bushes. Blown front diff, and a bent chassis (got rear-ended in traffic).
But after some time, I got some money together and fixed the issues. And I came to enjoy it again.
It’s a very real thing to feel down when your *special* car is in a bad way - but so worth it for when it comes back together. Loved the video!
Sorry about troubles, passion creates highs and lows. I think sharing the lows just brings the reality. Looking forward to future videos.
It was a broken valve spring and you were floating a valve at mid RPM on one cylinder.
The seat pressure got so weak after redline Dino runs, it finally kissed the piston while floating.
I doubt you replaced the valve springs when you installed the new cam, with the higher lift the spring was depressed more than it had been during its service life, due to general metal fatigue, it’s a role of the dice. This is a reason to replace the valve springs when you upgrade a camshaft on any engine that’s had some miles on it. Unfortunately the dice roll for you was snake eyes.
I like this series on the porsche. Like the excruciating detail.
If you’re really into this hobby you always appreciate the more in depth technical videos
Especially when it’s 911 related, this needing out content is the best. I appreciate you sharing it all. Good luck Adam.
Genuinely one of the most interesting video’s you’ve made in years. I’m really, really bummed for you. That said I’ve genuinely never been this engaged in a video of yours since the purple R32 giveaway build series. I get that this channel has changed and that you need to be the new algorithm and marketing focussed Adam now, but this video was straight up nostalgic in the sense that we got to see the old you again. This video is one of the rare instances of the return of plain black clothes, black raybans just started with the mustache Adam, which imho was THE peak of this channel in terms of era. Just sad that the reason for the nostalgia is a car blowing up…
Hope the damage is somehow managable even after watching those last few minutes about the dropped valve. Hope you can just slap on a new bore and piston and refresh the springs and retainers and call it a day.
I hate this. Such a sweet build, and Adam was so excited for it.
Thanks for keeping it real. Life is a learning experience!
Thanks for the technical video Adam. There are those of us that are interested in extreme burnouts and still the technical diagnosis of possible issues, so appreciate the video!
To be fair Adam, being honest and showing all does show that everything is not golden and always running. There are downsides to all and any builds regardless if you are experienced in that specific build, in this car the boxer engine in the Porsche. I love all the Tech information, it shows your knowledge and you learning each time. Look what is done is done, the car will be back up and running sweet in no time. The E36 is first, can't wait to see it ringing the compound. Get some rest, clear the head, sleep, eat and go at it again in time. Thanks for the video.
For the ones finding it boring, here's a summary:
-Spark plug was smashed.
-Spark plug contact with the valve.
-Valve probably dropped.
-Piston very damaged.
-Probably had weak&leaky valve springs.
He doesn't know what to do yet...
Edit: Thanks for the likes, can't wait to see this car running at it's full potential after another rebuild 😢.
Thanks can move on until he builds or swaps lol
Can't drop valves with a rotary.
@@cingkole7893no, you can drop pants with a rotary tho😏
You put bigger cams in with stock springs it were always going to bounce, and let go
Well they were unsure if the valve timing was correct way back when that was done. Sure it ran, but then this.
My first thought was him doing the timing backwards, he was a weird expert, he forgot the engine studs or something else at one point too @@XxmillerniaxX
Exactly my thought
Lollll called this video technical too. Losing brain cells just listening at his attempts to explain anything about the car. Par for the course though.
I posted in a video that he shouldn’t have done those cams
Really enjoyed your video, especially the explanation detail. My son recommended your 964 story after I told him about a problem I been chasing in my VW Beetle. I like hypothesizing before pulling but often end up finding suppm different why I do the actual pulldown.
Looking forward to a confirmation of the problem
Enjoyed the tech talk! Sad for the Porche, hope you get it sorted. Love this build
Did you change the blinker fluid before your dyno pull? Could have been that.. sorry man.
Har har har good one. Did you get the lifetime engine warranty for your sh**box Hyundai?
If only that was funny dumbest comment yet.
It could've been the muffler bearings too, ya know?!
Hilarious 🙄
Probably valve float, I don't remember if you changed the valve springs to match the new cams but the more aggressive cams need heavier springs or the valves can float at high rpms and contact a piston, it probably just bent the valve causing it not to seal, usually if a valve drops it would have caused a lot more damage.
This is exactly what I said and I would bet money this is what happen
Hopefully he sees this
@@ninaallen7849 oh for real? Nice. Yeah I guess we'll see. Another thing I thought was sus is how no one mentioned anything about ignition timing, they had the dizzy 180 out at first but how did they time it? By ear? I hope not. Now I'm not sure if the dizzy is fixed and it's all computer controlled or what.
@@richardt1293 yeah and did engine rebuild but left old cap and rotor that's weird as well I definitely think any engine builder or tech would recommend installing all new wires, rotor and cap but I'm also curious how they checked timing I thought they should have done coil on plug conversion myself with newer ECU but I'm sure he will get it worked out not trying to make anyone feel bad but dang that's a expensive build
@@ninaallen7849 yeah for sure homie, are you a mechanic/tech, or just wrench as a hobby?
Adam you're a gem, thanks for making this no doubt difficult but very interesting video. Please don't be disheartened; think of this as an opportunity! Imagine all the awesome upgrades you can give that beautiful engine, the learning that will entail and the work of art that'll result. If you need to justify those trick heads well your audience demands them! I really hope you get to do as much of the work yourself as possible despite your schedule. Best of luck living the dream this year mate.
Thanks for all the content! Its awesome to see all the growth over the years, think i found your channel with the cream s15? Anyway, bummer about the engine, sure youll figure it out soon
On an air cooled pancake engine - Had valves stick in the guides. (Recently rebuilt- Possible heat related / different metals, expansion-contraction. Rebuild shop did not say much more about the valves. (Honestly think they smacked stuck valves with a hammer and sent me packing). (Top quality repair - there).
I heard those engines are afraid of painted cooling fans, just a theory 🤔, but formal I'm sorry that happened
he explained it in one of the build videos, he didn't paint the external part exactly for that reason. They don't want paint because the tolerance with the shroud is really tight and paint causes it to touch but he knew about it and did it the right way
@@scottex. I'm pretty sure it was a joke.
Perfect lunch time break video! Hope it all works out Adam, all the best. Love from the aussies
Great nerd car material. I thought the distributor ignition was the issue. Guys like you never deal with archaic old crappy distributors. You are making me want to go nerd out in the garage. Thank you for the video!
Time for a 13B swap!
can't drop a valve with a rotary!
Ya that's not going to happen.
Apex seals have entered the chat...
Be stupid to put a junk noise smelly rotary engine.in
Get out 🫵
(Even as a rotary fan, that's a disgusting comment lol)
Made in Chin. A
Love these in depth technical videos! Sucks it’s such a costly one though.
It’s sad the motor is hurt but it’s awesome to see you getting your hands dirty and learning everything you can!
Rotary swap incoming!?👀
Playing devils Advocate here, Get the guys at Tuthill in the UK to build you a 4.0L engine with the new Swindon 4V heads... 12,000 RPM and 400bhp potential might just break the internet!
While I agree, that 911T they built is absolutely sick, I don't think it would be fitting for how he's planning on using his 964, IMO, a nice stroker from DeMan Motorsports would be a better fit (still haven't watched the video, so IDK the extent of what happened yet)
@@johnnygeorgopoulos4072 while I get that logic, the 964 and air cooled Porsches are not really what Demann specialise in. Would 100% send a GT3 to them in a heartbeat mind.
Would be more logical to go to Ed Pink if that was the route but sit tight, Chris Harris said on the Collecting Cars Podcast he has just done a wild video with a Tuthill 964RS with the 4V heads.
As someone who is in the market for a project car thanks for showing the real side of working on cars🙌 Sometimes it sucks but it makes it so much better when it does run right
Sucks this happened, but the educational stuff is some of your best content. Even if it doesn’t do numbers please don’t stop doing it
Lastern Subura 6 banger swap incoming 😂
The super technical videos like these are what I enjoy the most. It's interesting to listen and learn things in a long form where they can be explained in depth. Sorry about the engine though, it's sad to see.
Wtf was technical idk how I keep reading this word in these comments. Lol so cringe hearing ol clueless say “diaging” the problem. Swallows throw up*
Loved the whole video man! Sad to see you have to do more work to the engine, but looking forward to more Porsche content
Sorry for you, as I know this is a major bummer! Whether you have 1 car that's a DD, Weekend Warrior, Shine and Drive Princess, etc…or 100 amazing halo cars…this sucks emotionally. Keep your head up, we're here for your journey and I personally love all the detail in this video. Looking forward to future updates. Peace.
sorry to hear this news mate. Stay strong champion, all the best from AUS!
Long time viewer but only subscribed after watching this video, I guess that just goes to show the type of content and problem solving I enjoy, more of this Adam best of luck getting it back up and running as it should.
No way man...awesome video...knew you were distracted during Mike's Chef session. Cruising down the road in the future with Collette will be well worth the headache!! I can see that grin from ear to ear from here!! 🤔🙃
Man Adam so sorry. I have enjoyed this series far more than all the others. Don't give up on her. Send it to someone who can fix it right, but please don't let it be the end of her! Maybe a collab series with some you tube Porsche guys that will come to you and just go all out to get her right.
It'll be all good bro. I just crashed my 350z two days ago bruv. Lets keep it pushing and embrace how lucky we are to live in these times and get to build our favorite cars. Cheers LZ
I wasnt really into porsche but this car is one of my favorite cars you own. its the vibe for sure. looks amazing. sucks to hear the news, i enjoyed the nerd talk. good luck.
It was so cool to see this car at Amelia. It is frustrating for you but this is really exciting content. Thanks for the post script as well.
I really like the technical stuff. I appreciate you posting it!
Although you thought the video wouldn't be that interesting for your viewers I found it super interesting! The trial and error of trying to solve the problem and explanation was great to listen to.
👍👍👍
Sorry to hear Adam.
BTW, as sad as the circumstances, I much prefer technical videos. Idk if it's because I'm now 24 and when I started watching I was say 18, but as I've matured, the technical content is my favorite style.
Head up high man, life’s “lessons” are seasonal. All the current downs will make the future ups feel way better. Good things to come 💪🏼
Honestly explained it pretty well I love cars but mostly know only basic stuff but you explained it well enough for me to understand good stuff Adam
Love the technical videos, cheers Adam :)
Adam figuring out old technology and going on rants is my favorite thing lol
Im 14 min into this video and I’ve learned more than I have from any other UA-cam channel combined. More of this style vid even if the views are less please🙌
This is a real bummer man, been enjoying the thin mint content so far!