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Originally Posted by supercharged Lt4
ok. heres the deal. i just got a 99 formula. im DEFINATLEY building the motor, but heres what i got so far...i was gunna do the Weiland intake, or the BBK SSL-Series manifold, Send my heads out to have them done (or should i just get the Ls6 heads?) 1.7 ratio rocker arms, Hooker headers w/ SLP cats, and Loud Mouth, MSD ignition..Now, i want to do a cam, but i have no idea what size or what brand. this is where i need your help. If any of you have any do's or dont's please let me know, im open for any and all ideas, thanks alot
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I'm no expert with these cars, but your car is eerily similar to mine. Anyway, when I bought my car most of the mods were done already by the previous owner, but here's the list and I know its a tried and true combo that in full on dragstrip mode has gone 11.54 @ 119 all motor naturally aspirated and is fully compliant with the smog nazi's and still pulls 20mpg. I have yet to duplicate the 11.54 @ 119 from the previous owner, but I will once I get hooked up and loosen the suspension up.
Stage 2 heads from Cartek
MTB cam
Lift (Intake) Lift (Exhaust)
.558 .558
Duration (Intake) Duration (Exhaust) Lobe Separation
221 221 114
LS6 Intake
Ported Throttle body
Ram Air Box
3.73 gears
This combo put 416hp to the wheels at Cartek.
Again, I can't offer any specific advice other than here is my combo and the numbers the car puts down.
Hope it helps....
Chris