is there a better cam to run than stock whit out ported heads
03-06-2008, 03:55 PM
#21
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... Oh wait thats me. 
03-07-2008, 01:37 AM
#22
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thanks for the advice. i have long tubes ported tb slp mass all free mods exc... i baught the comp cams valve train up grade kit the springs are rated for .570 lift magnum push rods steel retainers. ive been doing some studing up but still am not for sure what to go with . 1 ive been looking at was the 224/224 563/563 112lsa. ide rather have the choppy idel i have the m6. so not as big of an issue as a4. i actualy have this motor in my 91 rs. do you recomed changing the lifter? any thing els i should do or look for. i want to thank every one for there input i am a newbe to the ls1 internals. sswt00ss how do you like that cam.with the 112lsa is it have a choppy ide?
Last edited by LS1rscamaro; 03-07-2008 at 02:08 AM.
03-07-2008, 08:27 AM
#24
thanks for the advice. i have long tubes ported tb slp mass all free mods exc... i baught the comp cams valve train up grade kit the springs are rated for .570 lift magnum push rods steel retainers. ive been doing some studing up but still am not for sure what to go with . 1 ive been looking at was the 224/224 563/563 112lsa. ide rather have the choppy idel i have the m6. so not as big of an issue as a4. i actualy have this motor in my 91 rs. do you recomed changing the lifter? any thing els i should do or look for. i want to thank every one for there input i am a newbe to the ls1 internals. sswt00ss how do you like that cam.with the 112lsa is it have a choppy ide?
03-07-2008, 11:58 AM
#25
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My info on performance gains from an LS6 intake was from Eastside Performance who has done a sh*tload of installs.(5-8 rwhp). Also saw an article in Hot Rod magazine which backed this up.
Fast intake (78mm)=15-20 h.p. gain.
This doesn't include a ported throttle body.
Yes,I've been a member since '01 and had my car since '98 and have read every article since.
IMHO, 15 RWHP from an LS1 intake to LS6 intake alone is hogwash.
If anyone has proof otherwise, let's see it.
FYI Fast advertises a 20 h.p. increase on a LSI and 15 h.p.
increase on a LS6. (TSP catalogue) Do the math.
Fast intake (78mm)=15-20 h.p. gain.
This doesn't include a ported throttle body.
Yes,I've been a member since '01 and had my car since '98 and have read every article since.
IMHO, 15 RWHP from an LS1 intake to LS6 intake alone is hogwash.
If anyone has proof otherwise, let's see it.
FYI Fast advertises a 20 h.p. increase on a LSI and 15 h.p.
increase on a LS6. (TSP catalogue) Do the math.
Last edited by PonchoFan; 03-07-2008 at 01:17 PM.
03-11-2008, 12:11 PM
#26
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one question I have about the LS6 intake upgrade is; where do you see the increase in HP; thoughout the entire RPM range or just top end? Any dyno charts out there with before and after results?