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Question on 3.8 vs 3.6 pulley
Guys,
I an looking for at the A&A system right now. My 99 has under 20,000 miles. It's pretty showroom, actually. I added long tube headers, ls6 intake, ported throttle body, 3200 stall converter, cat back exhaust, tuning, its lowered, f14s, aftermarket sway bars. There are other things but those would come off when the sc goes on. I would like to touch 500rwhp if possible with the supporting mods above. What I am more concerned about is keeping the power level in check to my engine in one piece. I do not plan to go higher then the 500rwhp. I do not want meth. I have 93 octane here in Jersey. So, what do you guys think I can squeeze out of a standard A&A system or at least what are your experiences? I am told I may be better off with a 3.6 vs the standard 2.8 pulley. With the 3.6 I may see 10 or 11 psi. Would it be safer to go with the 3.8 at 8 to 9 psi and could I still see 500? I know it has alot to do with the tune and I would want a conservative tune to be "safer". The car is only a weekend toy and may see the track just to see the 1/4. It may be on drags, but no line lock... So I am sure I will not get the most out of it, but that's ok.. Oh, one more thing, with the ls6 intake, I have the block offs in the back of the engine for the coolant passages. The ls1 intake had the coolant crossover tube. Is that a major issue as many folks claim that cyl 7 is an issue with the additional power of the sc... So what do you guys think???? |
The biggest thing with getting these to live is usually 99% in the tune. I ran a 3.6 with my Ls6 in 91/meth with a cam and was over 650 leaning on it hard. Boost is also addicting as hell and most dudes end up re pulling to the 3.6 after a few months anyway. My vote is start with the 3.6 if you have a good tuner and just enjoy the extra power vs the 3.8. It shouldn’t really be much of a difference anyway. I know it wasn’t when I went 3.6 to 3.4 |
Originally Posted by ss4luck
(Post 1598235845)
The biggest thing with getting these to live is usually 99% in the tune. I ran a 3.6 with my Ls6 in 91/meth with a cam and was over 650 leaning on it hard. Boost is also addicting as hell and most dudes end up re pulling to the 3.6 after a few months anyway. My vote is start with the 3.6 if you have a good tuner and just enjoy the extra power vs the 3.8. It shouldn’t really be much of a difference anyway. I know it wasn’t when I went 3.6 to 3.4 |
My motor was boosted for a little over 30K, 15-18 of it on a 3.6 the rest on a 3.4. IT came apart on a 190+ 5th gear pull running an evo in mexico lol. I have a TR6060 so no help with the auto question
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Originally Posted by ss4luck
(Post 1598240155)
My motor was boosted for a little over 30K, 15-18 of it on a 3.6 the rest on a 3.4. IT came apart on a 190+ 5th gear pull running an evo in mexico lol. I have a TR6060 so no help with the auto question
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I have an 04 with the 3.8 pulley and 60 lb injectors. The only other mods is a full exhaust with no cats. Dyno’d at 524 whp. I’ll be switching to the 3.6 once I get a clutch out in this thing... |
Originally Posted by Avs126
(Post 1598259133)
I have an 04 with the 3.8 pulley and 60 lb injectors. The only other mods is a full exhaust with no cats. Dyno’d at 524 whp. I’ll be switching to the 3.6 once I get a clutch out in this thing... |
Originally Posted by Avs126
(Post 1598259133)
I have an 04 with the 3.8 pulley and 60 lb injectors. The only other mods is a full exhaust with no cats. Dyno’d at 524 whp. I’ll be switching to the 3.6 once I get a clutch out in this thing... |
Originally Posted by tabbruzz
(Post 1598244275)
that sucks...was the engine stock? Well, u guess not if you were goib hgv over 190...lol
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Originally Posted by ss4luck
(Post 1598295216)
it was stock minus a cam and valvetrain hahaha
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you can always put a restrictor in front of the blower, like ecs does.
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Originally Posted by romandian
(Post 1598320789)
you can always put a restrictor in front of the blower, like ecs does.
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