The Ultimate Small Block Stroker Engine Build -- Part 4
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- Опубліковано 30 лип 2014
- To see this engine running on the dyno, check out Part 5 here: goo.gl/Lj70tR
The fourth video in a series building a big inch stroker motor. We're cramming 427 cubic inches into a small block Chevy with all off-the-shelf parts. This time we're installing the valve train, intake and and ignition.
For the rest of the videos in the series, build sheets and even dyno results, check out www.horsepowermonster.com/2013... . Thanks
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to all of you knocking the big cube small block and saying you can get just as much of not more HP from a 350 or 383, well let's just say you never driven a big inch small block. I built a 436 SBC and only put down 425hp to the rear wheels in an 700r4 F body with a Currie 9in rear. But it went 10 s in the 1/4 on pump gas and had a/c and was driven to the track. Its all about AVERAGE HP AND TQ! That's what makes a fun and fast ride. These big small blocks make gobs of TQ AND HP everywhere in the RPM range from idle to 6k! Don't need a big converter or alot of gear. You can have your 7-8K 600-700 350 mighty mouse with 5k stall and 4.56:1 gears all day and break down constantly and overheat etc. I'll take the big inch small blocks cause there just FUN
Robert Plescia I feel the same way bro!
I agree... I have built 100's of SBC 350's ..327.....ect..ect working in High performance engine shops since I was a teenager... building a 350 is pretty boring these days.. My son is 5 years old and I can give him my credit card and he could go online and order all the typical SBC parts by ordering from Summit...ect... he can even bolt it it all together with some instructions... Building big strokers requires a bit more thought especially if your starting from scratch without a kit...
The only short-coming I see in Part-3 video, is that he used those heads out of the box.....sure they will work, but your easily giving up some 35 to 60 HP.... The valve seat run-out as well as seat width contact area are never good out of the box.... I can see atleast 5 issues with the bowl areas just from the video....
We live in a new era these days where pump gas is at beast 92 in most places and not many race tracks like there use to be.... The 327 , 350 motors needed higher octane 14 to 1 compression and to spin 8000 RPM min to develop any serious HP back then.... and higher failure rates..not to mention all the tricks needed to have any substantial air flow at those RPM levels...4500 stall converters are not fun when a cop pulls up besides you at a light.... These days I more about the cubes and less about the RPM...
Chris M 👍 I had a 355 sbc now I have a 496...major difference
Ive built plenty High horse power motors. There is no replacement for displacement. My last build was a turbo 383 .I originally was going to use my stock 350 block ,ordered a forged 383 kit. Then found out I needed another block. I was upset but already purchased everything for a 383 build . I would of switch to a 400 block in a heart beat if I could. There is no reason to use a 350 block if your starting fresh.
Mark Rich 👍😆
ready for to see that dyno test. cant wait to hear that thing come to life
Great that these heads where correct out of the box. Doesn't seem to be the case with many others.
GREAT VIDEO, LOADED WITH TIPS, THANKS !
Two things, (not being critical) the outer head bolts are not chrome plated, they are a stainless steel alloy, and are beautiful . and the dual plane intake on the 427 will kill power unless you cut the center plenum divider down at least .6oo" OR USE AN OPEN SPACER thanks for the great videos !
Both are excellent--and very correct--points.
The Edelbrock RPM dual plane has the plenum cut down across the middle for this very reason.
That dual plane is choking that baby off.
Great video man.Keep them crankin we need to see the dyno test results....
Dyno'ed it in part 5. You can see it here: ua-cam.com/video/sOZaDFlBSXo/v-deo.html . Thanks for watching!
Nice buildup I built a 454 small block back in the early 1990’s using a Bowtie block with Brodix heads and many great parts I used Crane valve train components and used Manly sodium filled valves and Harland Sharp 1.7 billet aluminum roller rockets with a Crane stud girdle MSD ignition components and so many more parts to much to list and back then no internet to research parts or info so many hours on the phone and long road trips to checkout parts ….
Building a monster!
Thanks!
Can the engine swap the carburettor to the Holley Terminator EFI? It's self learning!
Oooh man did u get lucky putting in the lifters after already torquing the heads. I used johnson lifters and had to slide heads up to get lifters in.
4:17
That whats called for when running hydraulic roller camshaft. Its actually .150 taller. Considering your heads are most likely .100 deck taller and the extra lift sounds exactly right.
I thank yaw are doing a great job keep up the good work i one day hope i can make a engine like this. Kee p the videos coming thanks
Thanks! We hope to have it running on the dyno soon and can't wait to pass along the results.
Thank you
How much did all this cost?? Very interested to know!
ilike that weiand intake a lot for a 355 but not for a 420" stroker small block , put a victor jr on there and use a 112 lobe separation or 113 or 114 also , can a mini or small blower work on a big cube small block if its the largest of the mini blowers? im trying to keep it underhood.
so how much does it weigh ?
Just curious what is the Reasoning behind the Thumper Cam? Why not an XFI, or even a Street Roller like an XR280 or XR286
286HR any day with 10.5to1 static compression with AFR titon tall single plane manifold =wall of torque and good high end hp. 304HR could work with those cubes and 314HR with some more compression like 11.5:1 static would be right in the inzone. they could have the same huge wall of torque along with some high end hp. don't need tons of race cam lift like .650" or .750" here , the cubes draw in mix through a small cam. also they could be saving their engine from exploding with power. they got all forged with hbeams even. why not go to 600 /650hp. theres probably a lot of attention to finer details and different material bearings that would be changed more regularly i'm guessing. although you could build a 600hp 427, it could be done , yeah.
Why did they not flush grind the bronze guides inside the ports for better air flow?
Im having a 414 dynoed soon, has these same heads but custom grind crane solid roller 640/600 250/260 11.2CR. Hoping for 580hp region. Ive used the dart shp block. Going in front of a TKO 600 so should be some fun!
Hagget414 Awesome! Let us know how it turns out.
@@TheHorsepowerMonster lol bit of a delay but she dynode 595hp@6800 and 550tq. She back out built for boost and a single GT45R
He should’ve bought afr 210 heads over the 220. Kept the compression chamber at 65cc and the heads are Cnc ported. And the flow numbers are better than them 220’s. And he if he wanted to go all out. He should’ve got solid rollers for high revving applications and a bigger solid roller cam shaft. Yeah you might adjust them every 2 weeks but if you wanna go all out solids are the way to go.
aweshome, gonna need an expensive convertor converter to deal with these cubes or its just not going to translate to car, just as a lot of overbuilt bigblocks that lag with the car because the converter dont work correctly anymore. still the big inch small blocks have less of the problem because of weight of rotating assemblies are a lot less, this is my theory on the converter convertor issues.
I've built a 385 with forged internals, dart cast iron 64 cc heads . 13.7 to 1s with solid roller tappets 270 duration/with .620 lift.its in a 93 stock 4 bolt block made in mexico .its lived for a year so far .it sees 7000 rpm routinely. Will it live or am I just lucky.
Dont anyone mind the autolites they'll come out soon as he floods the engine
I like the video but when will we see a 396 small build on one
Could you heat fin the whole intake manifold and get an increase in power?
Hi this is Eric from Rescue technician mobile repairs South Florida if anybody is able to throw any 350 small block Parts my way I appreciate it I need to build one up for the next Race season and make some new money
Ep.5 PLS
nice
I was told that aluminum heads must use studs not bolts.I was told that by the "Grump" many years ago.
dynodon100 he was correct years ago.
its best. I have brodix heads on my 408.
has nothing to do with head material
Mike V. Could you expand? What does it have to do with?
@Doug Cook
The LSX engine comes from the factory stock with aluminum heads and head bolts. Needing studs has nothing to do with the material. I wasnt there for the conversation to say why they where needed but its not just because they where aluminum. Only thing I can think of is most aftermarket heads have a thicker deck needing a longer bolt .
The rocker arm roller tip is way off the first valve stem. Several other are also off to.
Wow
Did you use a small base circle cam?
Yes. Not sure if it was necessary after all, but when putting together my plan before the build I didn't want to chance having to start over if a rob bolt intefered with a cam lobe. Thanks
Did you guys end up running this thing on the dyno?.. What were the hp and tq figures??
rottysaurus Waiting to get time on the dyno.
The Horsepower Monster I cannot wait to see the numbers!! If they are in the vicinity of what Im after Ill def look at piecing one of these babies together...
@@TheHorsepowerMonster 4 years?
. Any sign of Part 5 ???
Part 5 is up! Thanks for your patience.
What year block is that ?
You can send me that set of heads when you upgrade for my 421sbc?
Just send CERTIFIED funds in advance.
Why the vacuum advance?
You also remembered to use "no sease" on the steel spark plugs as they are in alum. heads, right?!
dynodon100 anti-seize?
On spark plugs, so the threads will not strip out when you take them out.
I want this motor in my S10 pickup.
Get a real truck.
I have a 1995 impala ss I would like to how much is this motor and. How much horse power to the tire
Lol you have a lot to learn, get outta here
To get technical , drop your spinning weight will get you quick and cheap advantage.
2 and 3/4 s. Exactly!!
A lot of these heads need work out of the box,always check them,You get what you pay for.I'm impressed with GM LS series,engines.
If nothing else people should knock casting flash off, and verify runout on all valve seats. There's almost always a bit of flash to remove in the pushrod area, and sometimes more. I don't complain about this as it's easy to do and... it's a stupid expense to make a machinist do that finish work. If the valve runout is garbage however, that is something to give feedback on.
Yeah... back those lifters down. On 3/8" studs, 7 degrees buys 0.002" preload. So, the full turn is about 0.102" - about double what works for most hydraulics. How much plunger travel do those lifters allow?
Not enough if you have to back out of the throttle at 7200 RPM up hill you'll need piston to valve clearances😅😢
No part 4?
how much core shift in them????
The all sound no go cam
No shit
Just curious what the part number is on the head bolt kit? Nevermind. I found it. Part # is 134-3703 in case anyone is interested.
how come u didnt use head studs instead of bolts if u are going to use a power adder?
Honestly, I thought about it but decided to use head bolts because studs usually make it about impossible to remove the heads with the engine in the car. I hope to use this engine as a guinea pig for testing lots of different things. Head bolts may come back to bite me, but the block is new and the threads are all good, so I hope not. We'll see!
oh ok i know u guys put the best of everything in your engines and when u said u where going to use a power adder i figured blower or turbo or something but i know u used arp bolts so i am sure they are still stronger than just factory bolts hopefully they will hold up cant wait to see the dyno results and good luck love your page!
The Horsepower Monster ARP studs have Allan head recessed to remove them, not fast, but easy
Asswipe Cornholio Aw
what is your compression ratio for this set up
10.5:1. The compressed thickness of the head gasket is 0.040 of an inch.
The Horsepower Monster nice
perfect for premium pump gas
Why comp? I would understand more if it was towards a budget build but comp isn't the best quality.
Man people love the word billet.
Brett B. Most people that use that word dont know what a billit is
Why not head studs? Studded the bottom end why not the top?
Good question, there was actually a very personal reason for that. I plan on using this engine to hopefully test lots of different parts and mods in the future. When you use head studs, a removing a cylinder head with the engine still in the car can be murder compared to head bolts where you remove the bolts and pull the head straight up. So that was the main reason to use head bolts instead of studs--making my life just a bit easier in the future.
roasted
The Horsepower Monster that makes sense
to hard to remove head besides not any stronger
Head studs are not used for "strength" , they are used for increased clamping force with the same diameter fastener. Just thought someone should let you in on that info1
These New 454 Small Blocks With Steel or Alum. Heads, Are Your Dirt Track Racer's Horsepower & Torque Stuffed Into One Small Block, Our Racer's Dream Come True...Setup: High Gear = Big Motor = Fast Laps, "Go Small Block 454 Go"!!!
You probably wont see this message but my question is how did u make this a 427cid small block is the block a 400 dart block or did u change stroke to make this 427
Changed the stroke.
@@TheHorsepowerMonster ok was the block a dart or gm 400 sb or a speedmaster block did u use a 4 inch stroke crankshaft i know the.dart block has a raised camshaft not sure if speed master has that I'm gonna be building a destroke 400 sb comes out to be 377 built one back in 1994 it was a bear but I'm intrigued on the 427
It was a Dart block. Handled the stroker crank no problem. But if I had to do again I would never use a standard deck height small block. Too difficult to get the counterweights on the crank cut down enough so that the piston pin bosses don't hit at bottom dead center.
@@TheHorsepowerMonster i see thats good information i guess they is no way to externally balance enginor crank u know like the Gm 400 small block I'm curious i built a 377 d stroked gm 400 talking about working ur tale off grinding to make aluminum rods pass use a calies crank and chils albert rods 12.5 to 1 wiseco pistons my only thing was i couldn't afford good heads used 041 gm heads 202 160 valves it would turn 8500 like nothing i may go back to the 377 anyways thanks for the information enjoy ur show i would love to work in a race shop and build engines port work
Those outside ARP head bolts aren't chrome plated they are stainless steel.
Can’t believe I heard “street price $1100” $2300 for those heads now
Stupid supply chain crisis has screwed everything up! I didn't realize they had gone up that much
Not much lift for a 427
With 225 heads
They will get more lift than advertised because of the 1.6 rockers. However I probably wouldn't have chosen a cam from the thumper line if I was serious about making power.
Those heads are ok however I think trick flow are a lil better and I definitely know AFR heads are the best how do I know I have all 3 Sets of heads about 9 grand worth of heads my wife just doesn't get it but my money huh
💪🏿
why when the cylinder pressure is still 175to190 psi you need such a small lift on exhaust is it because as the engine becomes near square the cam requirements are different and moving more volume makes a big cc head act like a smaller cc head on the big stroke bringing velocity way back up? just like why the single planes work like the dual planes on the big small block stroker engines? just like 383 break the 350hp barrier and able to make 400hp with unported stock type 882 heads because the velocity is brought way up with the longer stroke by vacuuming the air in way harder? no wonder the AFR 180cc competition cut head worked so well on that 434 ibuilt. it didn't care about cc because it just forced more air in harder with a great flowing head and made 550TQ hmmmm.
1100 for cnc aluminum head???? I dnt think so budy i bought a set of blueprint aluminum heads a year ago for 1000 a set cnc is not 1100 more like 2300 or 25. If this true please put up the add
He did say 1100 for a set.
He did mention above that the bare head price was $1100. The assembled set was like 1800.00 at that time. Different manufacturers also price differently. I use AFRs and they are higher than some other brands, but I like them all, just get what you need for your application.
when are you goin to drop that engine into the camaro
into my 81.
I've never had luck running autolite plugs in a Chevy. how do y'all like them?
not worth a dam ngk
ngk
Pity about the music...
If your hear for music.....go someplace else....building an engine, not an album...idiot
A little small on the carb if you ask me....
Pretty sick build till they put that junk Holley double pumper on there. I've never had any luck with those carbs but I'm getting more into EFI on builds these days. I hear EFI from Holley is actually pretty good stuff now days though.
+Midwest UTV the only guys who dont like holleys are guys who dont have the patients/intelligence to tune them, instead they will go with the afb carter/edelbrock or some efi system...
Yeah and the only guys that like everything else actually appreciate driving what their carb is on rather than tuning the damn thing all the time, not hating on Holley as a whole their EFI systems are actually pretty bomb stuff but their carbs are aweful about staying tuned.
Midwest UTV they really arnt that bad
Blake Knutsen They probably aren't I just haven't had any luck with double pampers or any thing with Holleys carbs.
You don't have luck with nothing,you either know what you're doing, or you don't know shit!! Holley are great carbs. But people who don't know their way around an engine don't understand.
Don't ever, ever trust needle bearing roller lifters. They're a ticking time bomb. I've learned that the hard way. Take my advice spend the extra 1000 bucks, and have peace at night. Isky EZroll lifters, no needle bearings, just a solid bushing. You will never have to worry.
You do know this is a Hydraulic Roller... Right ????
John Caprai lol, John, weather hydraulic or solid a roller lifter is a roller lifter. They have needle bearings between the roller ball and axle support. Those tiny needles take a continuous beating because of the aggressive ramp profile of the roller cam. Are you following me?
+kevin S he doesnt know all the tiny lil needles might go everywhere one day. but due to a hydraulic lifter and roller cam the stress put on those components are much less than the average flat tappet below. .600"
True, but still... Once you've lost an engine, your never quite the same. No more needle bearings for me, ever!
I imagine you lost some over the years. China parts i tell ya
lets go w a coil pack. ditch the coil n dist.....
you don't cam for sound ,you cam for over all average power for a street engine .
Or any engine.
You don't buy a cam for over all power. You buy the cam for the application you are building. You don't but a big over all power thumper cam for a tow rig. It would be the biggest mistake ever. You buy the cam for your application. So sometimes you will buy a cam with lower RPM and more Torque for towing at lower RPM. If you are building a race motor it will be higher RPM.
hey you forgot to prime the oil system!!!!!
+Eric Johnston We primed it one the dyno right before firing it up.
👍🏼😎👍🏼🐒
"Ultimate" stroker engine build. *installs shelf thumpr cam*
AJ N and autolite plugs, junk
Mr. Gasket head gaskets.. LOL
@@stellingbanjodudeAutolite is better then Champions any day . I have never had a problem with Autolite or AC ever. I have had problems with every set of Champions I have bought. At least one plug in every set of 8 won't work. I haven't bought a set in probably over 15 years, but everyone I know that has still has issues with them. My brother bought a set a couple weeks ago, he didn't want them but the parts store said it was the only set they had. Puts them in and it runs worse then before he did. Back to the parts store and orders a set of anything but Champions. Puts them in and runs great.
yeah power robbing compared to other shelf cams .
no way, should have installed a hydraulic roller like comp 286hr or XR288HR or larger or the XR294HR or XR300HR with 10.5 to 1 static compression and an AFR titon tall composite single plane. they might be avoiding the 600hp range to save the engine as daily driver that can last a while. @540 MUDSTAIN
hello
o the price of those heads are 1,789.97 and not 1.100
The price you have is for a complete set of heads, including valves, springs, retainers, locks, spring seats and shims (if necessary). We got the heads bare from Brodix, and used our own springs and other components. The price for the bare heads is $1,100. Thanks
The Horsepower Monster But also to your point, a complete set of aluminum heads ready to bolt on for less than $1,800 that are the quality of these Dragonslayers from Brodix is also a really good value.
The Horsepower Monster and they flow good numbers
Randall Wyatt Buy your heads bare, And put them together with good stuff. And take your time doing everything meticulously perfect. You will be better off and still save money in the long run !!!!.
why such a low compression motor, 66cc heads and dish piston you loss a lot of power there
I think it is because such a high displacement squished into a small area. If the displacement was 350cu/in then yes the compression ratio might be a little low. I believe the formula for compression ratio is cylinder volume + clearance volume / clearance volume.
Depends on how the heads will flow.
@@garymcclanahan4344 Calculated compression ratio depends on head flow really? What is that equation?
There is no substitute for cubic inches......
there is no sub for cubic inch that is y i love rat motors but we build a 327 blue printed by bell old man bell at woodburn oregon they said it was the craziest 327 they had ever seen running pump gas 9.68 in the quarter mile with out nitro and just 92 octane we build the block like u would do a indy car motor and put a dragster top end just the cam was 1100 dollars bare cam 13:1 compression and bell was told hold no expense on it after pulling the motor out of a old school dragster we put another 23,879.00 in to the motor there was nothing on the streets of portland or salem that could
Who is (they)??
Autolite? really?
what I use 3926's
Better then a lot of choices. Champion is the worst plug on the market
Dam AC spark plugs made in fucking China. GM sold us out to Mexico, then turned around and sold us to China. We lost 17,000 jobs In Flint Michigan. They told us we wouldn't close. Dam traiders..y Family members and I worked there. Buy an American spark plug. Fuck GM China.
If it's made in America. Yes. AC spark plug is made in China. We lost 17,000 jobs in AC spark plug division in Flint Michigan. They sold it to Mexico then turned around and sold us to China. Now there is an empty lot where they told us we would never close. Fuck em
THE ULTIMATE SMALL BLOCK. WHAT AN F-IN JOKE, THIS THING MIGHT MAKE 600HP.
Do you know how many U tube videos claim the same thing! Im tired of hearing ultimate sbc ! Only GOD could build an ultimate sbc for everybody !
Why dose every engine have to be a stroker, rod angularity is not good. ...
Those cams sound ok but dont work that good..
Don't understand why one builds a small block,when the parts to make it have any HP is way too expensive. A big block makes more HP and torque for way less money. Stock 454 BBC with 540 lift hydraulic cam and 9:1 compression makes close to 600 HP on 93 oct.
nathan riley I don't understand either! my 496 on 9.1:1 CR made 565hp and 600tq with gm iron heads
nathan riley because its cheaper then a ls or a bbc and a bbc has to have very specific parts or you choke them
I agree if your racing and starting fresh go the biggest block you can but sometimes people like me reuse or think they are going to reuse parts. Thats how my build started but fell threw. I was going to reuse my block to save money but ended up I couldnt so I was left with all 383 parts. SBC parts are also dirt cheap and efi guys dont want to retro fit stuff there direct bolt ins.
I built a fully forged wiseco /scat complete aftermarket turbo mpfi fuel injected coil over plug gen1 6in rod 383 c/h/i/rr/intercooled-gt45/4150 tb/single plane efi intake for 5000$ thats why people still build small block. Their able to bolt up to LSX computers and be tuned likea standalone and still pass emissions. Its hard to beat that price and own a fully forged bullet proof turbo charged motor.
mainly because they rev up so fast i have a 454 and a 327 my 327 will out rev the 454 any day but its all about preference i love both
I will take a 800 hp small block over 1000 HP big block any day
A thumper?? Are you kidding?! wow. I was halfway interested in the vid till that was mentioned.
This proves the old saying of money no matter how much you throw at it can't make horsepower if the proper parts aren't selected.
I could build a 383 or 350 Chevy using a factory 1pc seal 4 bolt block and AFR heads with comp cam for under 5k, have all forged bottom end, and top of the line everything like he did and make just as much hp if not more.
For gods sakes pull those junky heads of, slap on some AFR's and put a cam worthy of those cubic inches you have.
If you can't squeeze 675hp out of that many cubes then I would give up all together.
+iconbadgta The Brodix heads are a little much for the street, they like high compression 13:1 or so , Afr's would be better on the street for the high velocity .. I agree that Cam is all sound, does nothing for cyl pressure and sucks all the way around but the Sound. If you love sound over performance then that crappy Thumpr cam is for you. A Comp Xtreme hyd roller would've been a better choice. With those heads and the ci the Brodix heads won't ever reach their potential, the should at least be around 600 lift and dur 256/ 266 @ .50 This build is a waste of time, street compression , radical sounding cam that takes away from compression, Heads that are meant for drag racing. This motor would be good for turbos .
+iconbadgta for 5k you wont be making much better then that and its a little more complicated then "a cam and some head" you gotta take into account duration from .050 and adv duration so you know how radical the cam is you also have to take into account cam lift and there are many different types of afr heads you have to find the right combination between rocker arm lift, port size from the valve, total displacement and even then you dont talk about what carb or manifold distributor or anything i doubt you would even know where to start. also i think you guys dont know the difference between an engine designed for racing, and an engine designed for the street. and dont get me wrong i understand the thumpercam was designed to be loud and streetable its more for show but used in the right application you can make good power with good sound and still have something streetable.
Do you or this video creator like me to make a list for a 355 or 383 build for under 5k that would blast this one away? I can make a list of every part and price to do it. Nothing but top of the line stuff! Up to you. Let me know!
iconbadgta how about you put the engine together and test it you cant just claim "i know how to do it better" and list off parts until its tested. and if it is tested this means you got the information from an outside source so its not like you just sat at your computer and figured it out lol. but yea send me a parts list id love to check it out, and again i agree i would rather run like a comp xtreme with some better flowing heads but when you say shit like 675 hp easy for 5k thats just bull the price tag adds up quick, just the set of heads alone would prob run you 1500-2000 the cam and lifter set probably 800-1000 bucks and you still need new distributor "atleast an msd' new forged crank reinforced rods, bearings, everything would have to be new and forged thats gonna cost you about another 2k and you still dont have an intake manifold carb, forged pistons, and all of tat could add up to another 2000-2500 bucks, so yes send me your parts list lets see if you take EVERYTHING into account and what ive listed isnt even scratching the surface, if you wanted to prove to me your theory you would have to write paragraphs just to get all of the evidence that goes with your claims dont just send me a list of parts.
iconbadgta so what ever happened to that parts list bud, cat got your tongue, or should i say fingers?
I’ll stick with big blocks I can’t accept a engine that does not average around 900-1100 hp on motor
the problem is when you go passed 400 inch block , then cost is too high , 454 is best bang at that rate
whats your fule mileage😂 nice
build btw
1 just watched the dynamic test u all didn't tell shit an comments blocked WTF
Uh, you just commented ...
I'm a cnc operator and that is a piss poor job, look at all the die marks, either the machine was going to fast, or the passes were to far apart, that should be smooth as a babies bottom. That's very rough.
+Ranjit Where are you talking about with the cutting marks?
+The Horsepower Monster yeah the matching where the valves hit the cylinder.
+Ranjit I'm assuming you are talking about the combustion chamber, if the "valves hit the cylinder" that's a bad thing. Anyhow, I think you've got some unrealistic expectations for the real world. Considering that you can get a Brodix Dragon Slayer aluminum cylinder head complete with a CNC-cut chamber for just $575, it's a really good deal. I've seen NHRA Pro Stock heads that go for a couple thousand each and they still have cutting lines in the chambers too--just not as pronounced. The only way to get them "smooth as a babies bottom" is with hand work and there really isn't a point because it doesn't make a real difference in horsepower.
I can appreciate your opinion when it comes to taking pride in your work on a cnc...the person with experience knows how his work would end up looking and preforming
+The Horsepower Monster ok fair enough, I was just wondering the reason why, I do know there's variables and unforeseen problems, where people from the outside can say this or that, after the work is done, then once they know why it's all good. I never worded my question correctly sorry.
347 lbs in springs is higher than my road springs. Still, I don't drive very fast. 👌
i would never use autolite plugs even in my lawnmower
$10000 worth of engine and u put .50 cent plugs in it autolites
But if it works keep doing it
all this shit about a technical build with all this money invested and at 6 minutes in he says and I quote, but a full turn might be a bit to much for this build so we may back off on it to just a half turn. I've been a heavy equipment mechanic most of my life and when running a rack a full turn or half turn is a big difference WTF, I just finished putting a cam, lifters and push rods in a Chevy luv with a SBC 327 for a friend to night after a few try's on this stupid procedure I told him to put some loader exhaust on it so know one would hear the sewing machine run lol, Yes I'm a FORD man.
You spent all that money on all that specialty parts and you use Autolite spark plugs? Are you fucking kidding me?
You really dropped the ball on the cam. What a disappointment.
Ultimate stroker build. Uses a hydraulic cam😂😂😂😂 what a joke
Pretty sure they are just keeping it streetable. Most likely why they are keeping the compression on the low end. People seem to under estimate a hydraulic cam. However I wouldn't have chosen a thumper cam as they are just for sound. Between that and the duel plane I would guess that this is going in a street cruiser and they didn't want to bother with running valves.
lost all interest when said he was using autolight plugs
crash32301 stfu
Ok I used those heads,and they needed a lot of work from the factory, and everyone else says the same thing, so I think you lie or your guy lies
I used these heads all i had to do was add exhaust valve stem seals
I think you 're lying.
Clown combo
Too bad it's the junk Chevy