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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 11-11-2010, 09:31 PM   #1
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best route to 500+ no blower.......currently 460

OK. so i currently have 460 RWHP. i have an airaid cold air intake, borla long tube headers and s type catback, chucks tuning stage 2 cam package( comp cam,valve springs,pushrods,spark plugs, 180 deg. t stat), and a tune. what is my BEST (cheapest,easiest,safest, however you see BEST as) route, to get to 500+ RWHP? NO BLOWER!!! ALL N/A!
New heads?
FAST 102MM intake manifold?
Light weight internals?
give me some ideas..... and suppliers if you have any ideas
thanks for any help.
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Old 11-11-2010, 09:39 PM   #2
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Do you have the LS3 or L99??

Heads will probly get you at 480 - 490rwhp.

IMO best way to get 500+rwhp w/o blower is stroke it to a 418ci.
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Old 11-11-2010, 09:43 PM   #3
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sorry....LS3 motor.
i dont really want to stroke it....lol the motor.
ive heard just putting the FAST intake manifold on, will get 10-15 on a cammed motor.
i will be getting a tune after the work has been done.
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Old 11-11-2010, 09:58 PM   #4
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Quote:
Originally Posted by 2010_5thgen View Post
sorry....LS3 motor.
i dont really want to stroke it....lol the motor.
ive heard just putting the FAST intake manifold on, will get 10-15 on a cammed motor.
i will be getting a tune after the work has been done.
What's cheap about a $1k Fast intake? Sounds like a lot of $$ to get another 10-15hp. If you're willing to spend that much on a intake or swapping out internals, why not port the heads?
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Old 11-11-2010, 10:10 PM   #5
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well 1k is cheaper than a 6k blower.... and i meant cheap, as in, people opinions dont matter,if its cheap, expensive or what not. and i can get the intake for 750.
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Old 11-11-2010, 10:40 PM   #6
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Ported TB / stock intake will give you 10-15. Add some heads, and you're a winner. The fast is more useful on bigger cube motors, its far more cost effective to get your heads ported.
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Old 11-11-2010, 10:50 PM   #7
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I vote new heads or port the ones u got.. then ported TB

Or go the stroker route..
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Old 11-11-2010, 10:54 PM   #8
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smaller/lighter wheels will help your RWHP #s. they're easier to move & therefore yield a little less drivetrain loss
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Old 11-12-2010, 12:04 AM   #9
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Nitrous! lol
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Old 11-12-2010, 06:05 AM   #10
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Quote:
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smaller/lighter wheels will help your RWHP #s. they're easier to move & therefore yield a little less drivetrain loss
ok. were not getting on the wheels subject. these wheels weigh as much as the stock 20's and i am getting a set of 19's for the track.
adding 5k in carbon fiber will make me lighter for better times....yah yah yah i know. theres alot of things i can do. but lets talk about the motor at 500 RWHP.
so back on subject.
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Old 11-12-2010, 06:07 AM   #11
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50 shot of NOS
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Old 11-12-2010, 06:17 AM   #12
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you got an under drive pulley? that'll help some too.
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Old 11-12-2010, 06:42 AM   #13
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I'm currently trying to achieve the same goal. I am installing a Texas Speed Cam this weekend. I'm at 405 rwhp now without a tune. I talked to a GM performance shop yesterday, and they said even with heads and FAST intake.. 500 rwhp is hard to achieve from the LS motors. I hope to be around 480 after my cam install and tune, and i'm considering the intake as well. IDK what else to do either.. cause i'm not doing any forced induction or NOS
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Old 11-12-2010, 06:46 AM   #14
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Quote:
Originally Posted by 2010_5thgen View Post
ok. were not getting on the wheels subject. these wheels weigh as much as the stock 20's and i am getting a set of 19's for the track.
adding 5k in carbon fiber will make me lighter for better times....yah yah yah i know. theres alot of things i can do. but lets talk about the motor at 500 RWHP.
so back on subject.
You asked for opinions and he gave you one. Then you immediately trash it? If you don't like that idea just say you'd rather stick to motor mods, or simply state the wheels you have are as light as you want to go. You ask for a specific number to the wheels then bring in quarter mile times as your rebuttal. One could easily say yah yah yah but we are talking dyno numbers not ET's. That being said, I agree with the porting the heads and the fast 102 together with a ported throttle body. Might as well get all the easy things out of the way
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Old 11-12-2010, 06:48 AM   #15
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Quote:
Originally Posted by 2010_5thgen View Post
OK. so i currently have 460 RWHP. i have an airaid cold air intake, borla long tube headers and s type catback, chucks tuning stage 2 cam package( comp cam,valve springs,pushrods,spark plugs, 180 deg. t stat), and a tune. what is my BEST (cheapest,easiest,safest, however you see BEST as) route, to get to 500+ RWHP? NO BLOWER!!! ALL N/A!
New heads?
FAST 102MM intake manifold?
Light weight internals?
give me some ideas..... and suppliers if you have any ideas
thanks for any help.
Porting the stock heads will yield great results, you would have to talk to chuck about how much you can mill them (as he knows the specs on the cam).

You could go the expensive route and get a set of 11* or 12* aftermarket heads, which will really let you bump up compression and improve air flow.

The fast intake manifold won't help you unless you get the 102 mm throttle body as well (an extra 500), and still won't yield you as much ponies as the heads

light weight internals.... negative.. wont really do you any good

you can port the stock throttle body for a few extra ponies, if you choose not to go the 102/102 route... porting the intake doesn't do much

under drive pulley will get you a couple extra small ponies
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Old 11-12-2010, 07:02 AM   #16
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Quote:
Originally Posted by 2010_5thgen View Post
OK. so i currently have 460 RWHP. i have an airaid cold air intake, borla long tube headers and s type catback, chucks tuning stage 2 cam package( comp cam,valve springs,pushrods,spark plugs, 180 deg. t stat), and a tune. what is my BEST (cheapest,easiest,safest, however you see BEST as) route, to get to 500+ RWHP? NO BLOWER!!! ALL N/A!
New heads?
FAST 102MM intake manifold?
Light weight internals?
give me some ideas..... and suppliers if you have any ideas
thanks for any help.

Where did you get the 180* stat?
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Old 11-12-2010, 09:40 AM   #17
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The piston to valve clearance your currently running will determine how much hp we can get you from porting your castings. Typically if your p/v is tight porting the stock heads will make about 20rwhp. I think we might can get you to the 500rwhp with the PRC aftermarket casting LS3 heads, but we're still a little bit out on those.

I'm just not sure you will see any power gains from the FAST LS3 intake, but if you test one let us know!!
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Old 11-12-2010, 09:41 AM   #18
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I tested the ported stock TB & ported LS3 intake next to the FAST LS3 intake & 102mm tb & the ported stock parts did every bit as well as the FAST components on the LS3 engine dyno test motor.
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Old 11-12-2010, 09:44 AM   #19
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Quote:
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I tested the ported stock TB & ported LS3 intake next to the FAST LS3 intake & 102mm tb & the ported stock parts did every bit as well as the FAST components on the LS3 engine dyno test motor.
Do you lose torque from porting/going to the fast intake?
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Old 11-12-2010, 10:07 AM   #20
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I would go with a set of AFR ported heads. Ported TB/Intake and underdrive pulley. What about an electric water pump? I think that would get you real close to 500. If you can get 40 out of the heads and 20 with the rest.

You could just do the heads and then see how close you are.

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Old 11-12-2010, 01:19 PM   #21
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500 N/A?

without going f/i on the LS3, i would think a more radical cam profile and higher compression along with some of the other tips mentioned here would get you close if not a touch over, but those two things also greatly detract from the streetability of the whole package.... if you add up all the $ for all the parts/labor/tuning required to hit 500 rwhp n/a, you are going to be within striking distance of the fi route... i hear you about wanting to be all motor, but the drawbacks of having a peaky, cammy, cantankerous mill have to be considered.... think about a 50-100 shot. big torque boost as well, and it's pretty easy on the engine, really--just don't use a bottle a day!!!!!
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Old 11-12-2010, 02:23 PM   #22
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AFR does not make a LS3 style head. All of the AFR products are currently cathedral ports.

I have however heard that Meziere is finishing up a new electric water pump. Typically that's good for 7-8hp.



Quote:
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I would go with a set of AFR ported heads. Ported TB/Intake and underdrive pulley. What about an electric water pump? I think that would get you real close to 500. If you can get 40 out of the heads and 20 with the rest.

You could just do the heads and then see how close you are.

Bill
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Old 11-12-2010, 02:27 PM   #23
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not even sure they make the for the LS3...but how about 1.8 roller rockers???
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Old 11-12-2010, 02:43 PM   #24
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My opinion is ported heads and ported TB should put you real close with your current numbers
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Old 11-12-2010, 04:21 PM   #25
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i dont want to do any NOS. had it before, its fun, but not practical. i want consistant power.
any ideas who can port the stock throttle body and intake manifold? i have a buddy who has friends up at trick flow. they can port the heads if i go that route, but would it be better to just buy new heads or port the stock ones?
and im not big on underdrive pulleys, so that is out of the question.
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