Im building an ls1 motor for my 99 ws6 m6 its got slp longtube headers, slp cold air intake, 3" true duals and im putting 243 ls6 heads on it. I am putting a tsp 233/239 cam in it and i want an intake and tb for it. my question is whats the best bang for the buck as far as intakes and throttle bodys go, ik the fast 92 and fast 102 are best but pretty much out of my budget at the moment. so my question is whats the best way to squeeze power out of a ls6 intake. really could use sum help on this plz.


Ps does anyone have a ball park estimate of rwhp with this set up.
thanks

 

i would have to guess around 400 with a ls6 intake . i made 401 with a 228r stock 243s m6 with a s60 rearend. hope that gives you an idea. ive been looking into changing my cam

 

i have my ws6 at a similar set up except with stock ls1 heads and i have the ls6 intake with a ported stock TB. i made 382whp on a mustang dyno, ive been told thats around 420ish on a dynojet, id say with the LS6 intake and the heads 420+ shouldnt be a problem.

 

I will have to say that I have been very happy with my Typhoon 85mm intake and TB. With a small 224/228 cam, 5.3 heads and 3200 stall in my auto, I made 389 rwhp.

Now flamers will probably chime in and explain how aluminum intakes suffer greatly from heatsoak. But my car has been dyno'd multiple times all day long until it was hot as hell to touch, but my HP never varied more than 5HP.
Also I see many people making ungodly power using Victor Jr intakes.
But I'm sure that's only because its made form this very new space-age material...what do they call it?... Um...Oh Yeah! Aluminum!

Keep an eye on sales threads, and you'll find one dirt cheap because someone got talked out of it because it "heat-soaks"..

 

If you make this kind of power how would one do that with a stock ls1? What parts have you bought? I'd like to know so I can find something comparable. Also why the diff in dyno hp?

 

I had it dyno tuned with a TSP torquer 2 cam, ls6 intake, ported TB, headers, custom exhaust, underdrive pulley, 4.10 gears, through a 6 speed on a stock 10 bolt. No head uprgrades just ran the stock 241s. and i guess i threw the dyno difference just as a reference as i wasnt sure which hed be using and when making around that much hp the mustang tends to show about 10-12% lower numbers.