00Vette

iTrader: (4)

How much rwhp should I see if I swap out my LS1 intake for an LS6? I've heard you don't see much gain.................like around 5rwhp!

frisky2101

iTrader: (8)

you probably won't see a lot at first but the more you do to your car the more you will see I.E. cam /heads

00Vette

iTrader: (4)

Yeah........I got all that. Heads, cam, full exhaust, CAI, Blah blah blah. But I still got my stock intake! I still heard its really not worth the swap. And that if I was gonna spend the cash for a new intake to get the FAST LSX.

Any opinions???

frisky2101

iTrader: (8)

I would go with the LSX if you the extra dough think the intake and TB set up is aroud 1200 ish

00Vette

iTrader: (4)

That's what I keep hearing. "Go with the 90/90"........everyone says that's the only worth while way to go. But what kind of gains could I expect? I don't have the cash now, but maybe when I get back from deployment! I need new cylinder heads bad, but that's gonna have to wait for a long while.

frisky2101

iTrader: (8)

I hear you there, still got the stock heads on mine, got the cam but I want to go bigger, Was planning on get the LS6 intake but decided to save my $$$ for the 90/90 instead

00Vette

iTrader: (4)

I'm with you.......I'm gonna go with the 90/90, then get a bigger cam and some good heads to compliment the new cam. My cam is too small for me. Sounds good with the 112 lobe sep, but not powerfull enough! I thought you just put that cam in? You don't like it?

frisky2101

iTrader: (8)

No I think it might be a bit to small this is the add from TR

99-TR230/224-111 Thunder Racing Custom "Reverse Split" Camshaft - 230/224 .575/.563 111 LSA 2200-6800 RPM Power Band. Excellent mid-range & high RPM power. Automatic cars require computer tuning and it is recommend for optimum results on manual transmission cars . Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended

TR made 410rwhp /390 torque

with this setup
This dyno graph is of a 1999 LS1 TransAM with Thunder Racing 230/224, 111 lsa Camshaft with stock cylinder heads. Other mods include Grotyohann Long Tube headers, Whisper Lid, LS6 intake manifold, Thunder Racing ported throttle body, ASP Pulley, 12 bolt rear end w/ 4.30 gears and custom computer tuning. The "before" graph shown are with the same bolt-on modifications. The only things that were changed were the camshaft and the y-pipe was replaced with 6" collector extensions for dyno and track use.

00Vette

iTrader: (4)

So with similar mods to what they claim put there car to over 400rwhp got you to only 360?

00Vette

iTrader: (4)

Oh wait.....you have mid length headers! Dude, IMO you would benefit at least 10 more rwhp from LT's over the ones you got! I'm not positive though! I just heard that if your not running LT's your wasting your money.

frisky2101

iTrader: (8)

yeah I will have LTs on the way Monday, Plus I still got stock pulley, non ported TB so hopefully when the new headers get in and with the TB port I should be a little closer