Speed Secrets: 5.3 LM7 Cam and Intake Test! How good is the TBSS manifold??
Вставка
- Опубліковано 16 чер 2019
- In this episode of Speed Secrets, Richard takes a look at what a cam swap (54-454-11) and FAST LSXRT intake manifold can do for power!
Be sure to Subscribe and follow Comp Cams!
FB: / compwins
IG: / compcamsofficial
Be sure to subscribe and follow FAST!
FB: / fastwins
IG: / fastofficial - Авто та транспорт
Have questions about cams, valvetrain, or EFI for your vehicle? Give us a call at 800-999-0853 and we can help you choose the perfect cam/valvetrain for your setup or goals! Don't want to talk to someone? Check out the Cam Recommendation form on our website!
COMP Cams what cam would you guys recommend for a stock ‘14 Tahoe 5.3? I want low end power and in order to achieve that do I need the springs too? One last question if I will install turbo kit on it should I wait and than make a decision on a cam?
COMP Cams will it fit a 2004 5.3 ?
I have the 5.3 in a 2002 silverado. I am doing the tbss intake manifold swap and also adding a 92mm throttle body. I am lacking a fuel regulator and fuel pump and a throttle cable bracket. But, I am very curious to know what size injector to run with this set up? I am also running a cam with .553/.553 lift and 262/212 intake duration 268/218 exhaust duration with 111 lobe separation. I currently have a set of 36lb. injectors with the wire harness adapters. The stock intake is still installed until I obtain all the parts needed to do this install. So, Are these injectors a good choice or should i consider bigger or smaller size?
This man is the hot rod Jesus... going about doing good
Very well explained.. info was greatly needed
This guy is the Jeff cavaliere of engines
Thats Jeff when he gets older 😂
Are you saying this guy is full of shit?
How an upgraded cam is actually killing your gains!
Watched a video on the old style smallblock 327 and with a good set of heads and a solid roller cam and a single plane intake peak power numbers were very similar l was impressed with the power the old 327 made with the upgrades
Those are impressive numbers for just a cam swap. Crazy.
Richard I believe you are supported by Comp Cams and nothing against that by any means. Roger Vinci owner/engineer and flat out LS dedicated camshaft designer makes the world's best camshaft profiles for LS engines. I would love to see you test a few of his camshafts and compare them to the dyno mules you have tested before. "Vinci Hi Performance" Thank You Richard
Funny I randomly came across your video, I was looking at doing my cam and getting SS intake, springs and lifters also timing chain. I have a 04 Avalanche.
Your good at explaining I just am a newbie but I totally understood everything covered in this video sheesh finally
I built a LM7 to take the place of my LS1 in my 99 Trans am WS6 216/220 .560 114 lsa LR4 flat top pistons gave me 10.20:1 compression and home ported 862 heads just need a good Dyno tune to take advantage of my setup.
You should compare the radical ported tbss intake vs the fast see how the curve and power difference looks.
Mr Holdner,
These are great videos, good real world info. Something I wanted to bring to your attention is the 615-183 Ls truck intake offered online. This manifold seems to be a doorman copy of the fast lsxrt and the no name Chinese companies have copied the doorman copy. In short I bought a brand new intake for $65 that I think your viewers would love to see tested. The generic pn is 615-183
Any updates on that copy?
@@mrclean2108 you know that happy super canine smile, puppies have if they haven't seen you in an hr? That's been me since I installed it lol. No seriously aside from one or two manufacturering issues with sealing it's been great. A set of factory style lm7 intake gaskets sorted the leaks. I picked up a wide band, and an hp tuners unit because I'm hard headed and have to all the things, and without writing a dissertation a set of 6.0 flex fuel injectors, and a summit truck cam and I want to nominate those who developed the ls platform as national heros
can you drop a link for evrything needed for this build ex.springs,pushrods,cam
Can I get a part number on the items being or been using in this upgrades please thank you
What would of been the better heads to go with?
What kind of heads would I need for more gains
I wonder what these numbers would look like with an l33? I would think with the extra head flow and extra compression that it would be closer to 475 with the tbss and close to 500 with the lsxrt???
The 100hp cam article you have on cpg nation say you later used a turbo. Is there a video or anything on the finished biuld.
I am thinking of putting that cam in my 5.3 Suburban may put a turbo on it later if I get bored
Are the spring shown in the video the ones used in the test? Thanks!
I would like to know what the power gains would be with just the comp cam and tbss intake and tbss throttle body iam looking to beef of my 5.3 in my chevy avalanche but I want to keep it conservative it's my daily just want little more bite keep fuel economy as much as possible won't be doing headers but possibly port factory manifolds
i have this same setup except 1 7/8 long tubes and factory truck intake, mine loves 32 degrees of timing. could you tell me how much you ran?
Can i use this cam with a gt45 chinese turbo?
What would be the best cam to run with an LS4(dod deleted), Stock 243 heads, LS6 Intake, Stock 78mm TB?
Hey Richard I went to the junk yard and grab a ssr intake it has the bigger 90mm throttle body but looks like a truck intake have you ever tested this intake compared to the tbss? Thanks
Will this cam work with flattop pistons?
On Summit Racing you answered that those Valve Springs will clear up to .525 lift, but that cam has a higher lift than that doesn't it? It also says that it's for the rectangular ports. If I have a completely stock 5.3 LM7, and I want that cam, can I go with those springs? What locks/retainers? I'm new to this so exactly what do I need?
The TBSS intake manifold even though it is 10+ years old is one of the best intake manifolds ever made!
would it fit on the 2019 Silverado l84 5.3 ?
@@kjam87gxp wth lol no that's a lt engine
@@sanchez_lsx1198 I ended up putting a l86 manifold on
Would this cam operate well with a carbureted system?
The power these 5.3 make with just cam and headers is unbelievable.
Mines a turd with a cam and headers
@@jacobmcnichol147 tune it
@@07Silv it's tuned on hp tuners by a reputable shop. 5.3's are just weak without boost
@@jacobmcnichol147 I cant even boost mine, it’s an alumi block
rich I have a stock ass 4.8 and using 3.8 forgerd pistons and 6.3 rod is this a pipe dream or reasonable?
Was a stall needed or did y'all use stock stall?
Hello What cam is nice in Lm7 to street and use daily
With a cam with over .600 lift wouldn’t that max out the factory valves?
So will this cam fit an L83 as well?
Is their similar set of valve springs anywhere like the 26918-16 for a 5.3 that I can use without spending 200 bucks. Or is that about it out their that will work without causing floating valves on a 600+ lift???
currently i have an lm7 with 243 milled heads to .30 tsp 220 cam .600 lift tb v6 stall, i am about to do an nnbs intake swap but will it affect alot if i leave stock throttle body?
What about a ported tbss manifold?
I was told my 5.3 could handle a 6.0 vortec heads with the same cam you mentioned in the video. Thanks
6.0 heads on a 5.3 will work but your compression will lower so much.
Wonder what the biggest cam I can run with 299 heads on my lm7
What stage cam is that?
So save your money and keep the SS manifold if you plan on keeping stock heads. More performance over the usable curve. Especially if towing
How does this cam compare to the Truck Norris?
Stock lm7 intake & 706 heads are fine . Spend your money on cam kit springs then go forced induction no need for the other stuff
sorry im new but did you lose all bottom end power??
How is the idle with these cam upgrades? You always talk about the hp on the top end but never the idle characteristics of these cams
Was a stall required for this cam?
Have you tested this cam in a 6.0?
Would like to see a header shootout video
Nice, but you've forgot to mention that this aftermarket intake was loosing power all the way up to about 4500 RPM :)
The difference is actually more or less negligible. Anything less than 10hp you really won't feel, especially at those lower RPM's.
Bare Fast intake $900. Complete TBSS intake $250. Only a 10 to 13 hp difference at the very peak of the rpm range.
*losing, not "loosing"
Did you not get the point of it? He clearly mentioned why did we not see the gains that we sought from the aftermarket intake. The reason is because of the heads! If the heads were better flowing, the aftermarket intake would of seen actual gains well above 18hp
@@rikyenriquez6651 yes he did but hes talking on the low rpm #'s not the top end power at the higher rpms
What type of gas. Timing. And heads?
How much does it cost all in for that HP?
What heads would go well with this cam and the stock truck upper? AFR or something else more economical?
Wondering same thing
What do you think a all aluminum 5.3 with 862's would with a jegs fabricated intake and a Howard's Rattler 525/525 , 109 lsa
How much hp ?
Just goes to show. The less lift flow from 0 to 200 lift and this cam works.i should send Richard the same heads with the same
Terrible low lift flow. But better high lift flow and watch it make 500hp or better.
Would this move a Yukon?
Is there a link for a drivablity vid. Im building a daily 4.8 for a starion
Drivability depends on a lot of factors. If you'd like some suggestions for cam options, feel free to use the cam recommendation form on our website or give us a call!
Are you using stock injectors
What is an appropriate valve spring for the 45-454-11 cam?
Check out the 26925CS-KIT, it will more than handle the lift that cam has! Also, if you are still shopping around, our new LST Stage 1 camshaft (54-301-11) is comparable spec wise, but has an even better lobe design that puts less stress on your valvetrain components!
@@Compcams1976 would like to see a comparison between the two
What engine it's better for swap in trans am 3rd gen, lm4 or lm7?
Lm7 for boost lm4 for n/a
I have the 5.3 in a 2002 silverado. I am doing the tbss intake manifold swap and also adding a 92mm throttle body. I am lacking a fuel regulator and fuel pump and a throttle cable bracket. But, I am very curious to know what size injector to run with this set up? I am also running a cam with .553/.553 lift and 262/212 intake duration 268/218 exhaust duration with 111 lobe separation. I currently have a set of 36lb. injectors with the wire harness adapters. The stock intake is still installed until I obtain all the parts needed to do this install. So, Are these injectors a good choice or should i consider bigger or smaller size?
Did you ever get it dyno?
Around what size rpm stall would be recommended for this cam
Gage Rosson depends what you’re doing with it. All out drag Racing? Some would say wherever peak torque is. Street? Probably 2800-3000
4000
I love you.
What springs were used in this video??
comp 26918-16 springs.
Could you in the future test and dyno the summit racing 5.3 that's being offered in the long block configuration!?
So would the comp cams “Beehive™ Valve Springs: Top 1.075" O.D., .650" I.D.; Bottom 1.310" O.D., .885" I.D.-1” be a good set of valve springs for this cam?
Just to tsp or btr .660 springs that’s what I have in my 5.3 and I’m running this cam
@@kadelindenfelser4315 have you had any issues with this cam? Are you running stock heads?, if no what heads? What size pushrods are you running?
I have a 03 5.3 Silverado where can I find the TBS manifold
Look on the internet. Craigslist, FB
so.... 5.3 with a cam package only would make my Miata happy. Got it.
Could you do more all motor gains on a 4.8 🔥
Just subtract 30hp and 40hp respectively
Seems like an affordable engine build a 5.3 ls with comp cam, valve springs and tbss intake, headers and a 4l60 or 4l80e
What about gas mileage? Since you gain about 30% in horsepower does that mean gas consumption will increase 30%?
Would 243 or 317 heads be any better than the 706’s?
243
So if I do a rebuild on my 02 5.3 lm7 and get a com cam with the kit can I expect good news just need some help
Tom Wetz yeah I have a 210/218 comp cam and love it I’m about to throw arp studs on it with it reaches high rpms it sounds so fucking sick and sounds like a 6.6 dritymax lol but I been beating on it lately so my trany probably hates me lol
Mine is stock besides the cam and lifters lol it’s pushing about 320 just with that upgrade it’s crazy how a cam can change a lot
I’m looking to upgrade my 01 Silverado z71 long bed, with LM7. I tow and haul quite a bit. I already have a 57 series K&N CAI, and Hypertech programmer tune. I plan on doing an E fan swap, the bigger 34in radiator, a cam, valve spring job and chrome moly push rods to my stock 862 heads, also and exhaust upgrade. For now that’s basically what my budget will allow, What would you all recommend for cam? Future heads, intake, headers recommendations?
What size injectors are being used?
I have the 5.3 in a 2002 silverado. I am doing the tbss intake manifold swap and also adding a 92mm throttle body. I am lacking a fuel regulator and fuel pump and a throttle cable bracket. But, I am very curious to know what size injector to run with this set up? I am also running a cam with .553/.553 lift and 262/212 intake duration 268/218 exhaust duration with 111 lobe separation. I currently have a set of 36lb. injectors with the wire harness adapters. The stock intake is still installed until I obtain all the parts needed to do this install. So, Are these injectors a good choice or should i consider bigger or smaller size?
@@milesjones8176 I just built a 5.3 with the btr stage 2 cam which are the specs you provided. 212/218 111 lsa also put on fully ported 706 heads, tbss intake, 90mm corvette Tb, and longtube headers, hardened pushrod, upgraded rockers, a 2800 stall monster converter, and new lifters. I am running 35lb injectors and they provided plenty of fuel while tuning. Truck made 439hp and 468tq to the wheels. I think your injectors will be plenty.
J Ho ok man. I really appreciate you getting back with me. Also, what gear ratio are u running. I’ve currently built the rear end with 4.88 and a true track Eaton hellical differential. I fear the ratio is too low where I’m loosing rather then gaining
Richard to you ever test oe ported intakes?
Do I have to have the fast ecu
Nope! That is what they use on the engine dyno, therefore it was mentioned in the video. A standalone can be a great option, however you also have plenty of ways to easily tune the stock ECU!
Thanks for the info I oder the valve springs from summit racing keep the videos coming 💪🏿💪🏿💪🏿👍🏿👍🏿👍🏿👍🏿👍🏿👍🏿
Are all these nice upgrades to the 5.3 street/smog legal in California??
The FAST LSXR intake manifolds are CARB approved, and we do have a line of CARB approved camshafts as well. Check out the FSL (Fifty State Legal) series of camshafts on our website!
Fuck California
@@Compcams1976 what if I want to take off the afm do get the 3 bolt version?
@@TheGrande78 If you delete the AFM it will require a tune, and that would jeopardize SMOG testing. But yes, if you want to remove AFM and/or VVT, the 54 series (3 bolt) cams are what you want!
@Ivan J California Good luck with that.
Nice mic
why doesnt the audio work?
Can you put this cam in a 6.0l?
I'm sure there one better for it
I’m still puzzled at how do you gain 100 hp just off of a cam? I get that we aren’t dealing with drivetrain loss but 480 hp from a stock 5.3 with fbo and even a cam still seems more like 6.0 territory numbers. What would that be for wheel horsepower?
We understand your concern, however 100hp from an intake/cam is totally possible on a 5.3. Going from an engine dyno to wheel hp is tough, to be safe, assume a 25% drivetrain loss. Manuals have a bit less drivetrain loss, automatics a bit more, plus tire/wheel combination and rear end ratio make a difference too. Factoring in a 25% powertrain loss, this setup could make 360 whp, which is pretty realistic. The gains are basically the same either way, pretty much all 3 bolt GM LS motors are extremely mild from the factory. Some of our new LST cams are easily proving these gains.
I believe the gains they post, but notice there was no mention of the loss down low. Below 3k you can see the power and torque dive. Which is exactly where you want it on a heavy truck.
@@Maverick09171 It's very hard to get an engine dyno to read that low consistently. Quite honestly, anything below 2k rpms is irrelevant for most setups because of a torque converter stall. Any "losses" there would be will be hardly noticeable.
COMP Cams that’s probably somewhat true. Except it’s also about “manners” at that rpm. I went with a biggish cam with high overlap on an Ls1. Sure it sounded incredible but I had to keep it tached up (2k+) to make steady state cruise enjoyable. Granted that was an m6 car, but with tcc locked the results are going to be the same.
In the end I swapped for a smaller cam with 3 degrees more LSA, which was much more friendly and ended up making very similar peak power and gained a ton “under the curve”.
@@Maverick09171 You're definitely correct. This is part of the reason we post what the powerband of each camshaft is, that way it is easier to tell what range you need to be in. A lot of our newer LS grinds do not have nearly as much overlap, in order to create better low/mid rpm manners without sacrificing top end power. Plus, they still sound great ;)
Or throw on some 799 heads with ls9 gaskets and a cam with a 110 LSA I bet she makes a bit more power and torque.
since this cam moves the power band significantly to the right, which cam would be for more TQ sooner and peak HP around 5500-6000? I have a '59 Chevy Truck and i'm considering a 5.3 over a 6.0 cost wise. great video btw
For peak HP earlier in the RPM range on a 5.3, the 54-456-11 paired with the 26906CS-KIT would be an awesome performance cam and spring combo, especially with headers and a roughly 2000 stall converter.
Dont base your choice off of dyno charts if it's going to be a street motor. Reason for this is because not very many people drive around at 2500 to 3500 rpm at wide open throttle. It's just not practical. I would go for the port matching and blue printing of the motor instead. It will allow you to balance the engine better and increase the flow of the top end of the motor and allow you for a broad range of upgrades later. The stock cam is good to around 500 hp. That seems to be a good street motor to me. Dont even bother with headers until you reach around 550 to 600 horsepower because the LS heads flow really good until you get into so e serious racing how at around the 700 hp mark. One more thing to note is that, as with all top end upgrades, you may need to tinker with the injector pulse width timing. Good video but not everyone wants racing parts on their street vehicles.
@@joshtheking1772 While you make a couple good points, especially at the beginning, towards the bottom there's a couple areas that aren't as correct. The #1 biggest limiting factor of any stock LS is the camshaft. You could put the most awesome ported heads made on an otherwise stock LS and it will still nose over after 5000rpm with the stock cam, intake and throttle body. The key is to upgrade parts together, that way you take care of limiting factors as they come. If you look at any proven 600+ HP NA LS motor, you're not going to find very many stock GM parts on it.
I guess it all lies with trying to get street and strip to work together in a good tuning harmony. I just dont see why I would bench my heads to only do a camshaft especially with a high lift and duration on a stock block and heads with only a valve spring upgrade. That doesnt make sense. On a dyno you could do it all day long but that still doesnt dictate street viability and performance.
@@joshtheking1772 Just depends on your power goals. There's a lot to be said for not having to take a motor out of a car. And the Gen III/IV LS platform has proven itself time and time again at pretty impressive power numbers on mostly stock components.
I think the 243's would have net even more HP/TQ gains.
Our new RHS Pro Action Cathedral Port Cylinders heads are essentially new 243's!
@@Compcams1976 is the lm7 same as a 5.3 with 4.8 pistons with 243 heads?
@@westcoast6162 l33= what you said
Was this 5.3 with 243/799 heads or 862/706 ?
He said 706
Richard Holdener would be a much better presenter if he had a cat-bell on each wrist. It'd be like watching a Christmas video dashing through the snow.
Wow I’m shocked it made that power with 706 heads
I know you say every cam is a turbo cam. But how is this for turbo? Debating between the comp here and the SS2. There's only $100 difference as long as we can reuse push rods
Wondering if you ended up trying it and how it went if so?
@@ericbertulaitis65 I went with SS2 and it is sitting in the engine bay waiting for a reverse sump pan. I just decided to go with the cheap one
@@mrreviewsitall7496 gotcha. I bought an engine that happens to already have this cam in it and am trying to figure out if it's suitable or not
@@ericbertulaitis65 it is 👍🏻😁
You can find part numbers by googling it, it’s really easy you should try it, I bet you guys can actually do it.Do you think Richard is going to answer all these ignorant questions y’all are asking??Bet he’s laughing at all the dumb questions in the comment section!!!If you reply you are the guy I’m talking about.This stuff is for guys that have knowledge on advanced power making combos, not beginners.Go to Bam and look in the for dummies section maybe you can find something you can comprehend about cars.looking for your response 🥴
Do the stock ECU compensate for the cam and springs? Or will it need a tune?
You will need a tune with most of our camshaft offerings, however we do have a few options that add decent power without a tune.
I have a LM7 can yo drop link of cam
Dang, so with headers, intake manifold, throttle body and redbox thing it made 360whp? Impressive considering they're 295 stock
honestly, i came to this video to see if i could add some horsies to my stock 5.3 and ended up getting the manifold, headers, and the engine management box instead
@@deelofeelo4880 heck yeah, how do you like it?
how did it start with like 350hp already?
Already had headers and tbss intake, plus engine on dyno has no accessories robing power.
@@MegaBlackwhiteguy yea, he responded a while ago and I’ve been looking into the accessories power sapping, thanks for the response tho
But but, if youre following internet trends 862/706 are just waaaaay better because they have 61cc chambers and also you just couldnt possibly need more flow than what those are providing.
Just wondering but below 3k how much tq should be lost at part throttle driving and even wot pulls from say 2000rpm when the converter flashes ? I want a good mild cam for my 04 4.8 rcsb truck but dont wanna loose that power down low. Looking for a healthy dd cam that still pulls good in low rpms. Been looking at the low lift cams and the btr nsr cam. What would comp recommend vs what I just said. Thanks
For a mild cam in a 4.8, the 54-700-11 is an awesome No Springs Required choice! Great sound, and we have seen 68hp gains on a 5.3 with little to no losses in the lower RPM range. If you plan to also do intake manifold and headers, the 54-702-11 will give you even more power. One note on those 4.8/5.3 trucks, they see a lot of benefit from a higher stall converter. Even a 2500 stall will help wake up the truck significantly, and along with one of these cams it will greatly improve how the truck drives!
@@Compcams1976 ok thanks for reply. Sounds like what I'm looking for. Is there any videos on these cams u recommended? Either thanks for the reply.
@@Compcams1976 Can you recommend a good dd cam for a 2013 tahoe 5.3(325)? I dont want to lose alot of torque, just need a little hp bump and a nice sounding exhaust note.
Did you use the stock lifters with this swap ?
Yes he did 🤣
Dude sorry I'm not trying to hate or anything. I like your show but damn you've got to get your arms in control. It's hard to gather your info with all that arm and hand movement.
I have lm7 I put 243s (stock) tbss, 92mm tb 224/228, 600 lift cam 110lsa with 4:10s in the rear. Upgraded trans and rear end and it's a slug. Guy said he tuned it but there is no way. Is it my tune possible or look elsewhere?
That could be any number of things, tune is always a good start. If it's in a heavier vehicle (3800 lbs+) you're going to want a 3000 or higher stall if you're really looking for response. Otherwise, that's a pretty aggressive cam for a 5.3 with basically stock heads, so your low end response is going to suffer no matter what.
@@Compcams1976 oh I forgot to mention it has a 3200 stall by circle d. It's a 78 Malibu so just over 3000 pounds.
@@marcowilliams4801 That looks like a solid combo. Your car should easily run in the 11's. I would have another tuner take a look at it.
@@minnick99 thank you. Crazy part about it is I have factory 15s with the (I believe) 215/xx/15s and I can't even roast those little tires. That's what really piss me off
@@marcowilliams4801 almost sounds like the cam is a tooth off or something if the power is that bad. I'd definitely have another tuner look at it.
Will this cam work on a 5.3 with 4.8 pistons and 243 heads🤔
Yes absolutely.
Reviewing all these comments made me think um can these guys listen to the details or replay if you missed something and see if you can figure it out on your own??