LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Supercharge Or Turbo Lt1

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Old 06-05-2010, 11:46 AM
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Default Supercharge Or Turbo Lt1

So i have a 96 trans am.. Rebuilt motor about 11k miles ago rebuilt trans about 300miles ago and body has 107kmiles on it other than the rebuilds and the SLP LM1 exhaust its pretty much stock. I dont know if i want to turbo or supercharge it or do nothing and get a new bike possibly a hayabusa but i already have a r1. i need to know what i need to do for supercharge and what for turbo and the gains Please help me out thanks

Last edited by Xv13thustl4x; 06-05-2010 at 03:54 PM.
Old 06-05-2010, 12:45 PM
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define "rebuilt" please.
Old 06-05-2010, 01:15 PM
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Busas are for squids.

Turbo>Supercharger

Unless your rebuild was forged don't bother with boost.
Old 06-05-2010, 03:55 PM
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rebuilt bored out 40 over
Old 06-05-2010, 04:27 PM
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Originally Posted by Xv13thustl4x
rebuilt bored out 40 over
turbo if your motor can handle it.
Old 06-05-2010, 07:09 PM
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Neither unless your compression ratio can compensate for boost.
Old 06-06-2010, 06:56 PM
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It was bored 40 over on its first rebuild? Sounds like a nasty block to start with, if you're running stock heads/springs/rockers/valvetrain then don't bother with boost. Boost applies a preload to all these components and cuts down their effectiveness, trust me. Been there done that, all those "the real cost of boost threads" are genuine, I was one of those oh those guys are just stupid people. Trust me, boost is fkn expensive.
Old 06-06-2010, 07:43 PM
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Take a look at my brother's '95 Formula, the link is to the old website. The ProCharger has been on the car since 2002.
http://www.exoticperformanceplus.com...tCar.php?car=7

Here is a link to the ProCharger LT1 systems from my website.
http://shop.brutespeed.com/93-97-Cam...rd-LT1_c22.htm Bob
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Old 06-06-2010, 11:23 PM
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Originally Posted by Bob@BruteSpeed
Take a look at my brother's '95 Formula, the link is to the old website. The ProCharger has been on the car since 2002.
Just out of curiosity how much did that all cost(The first time at the track)....to run 12's?
Old 06-07-2010, 04:06 AM
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Question

Originally Posted by BlackBird87
Just out of curiosity how much did that all cost(The first time at the track)....to run 12's?
Where did you see that at? I just went in and looked and saw this
The quickest pass so far was an 11.58 at 113mph. This was in a bracket race and had dialed an 11.65. The low trap speed is from lifting at the big end. Should have stayed in it to see what it would have run!! We will have some track pics soon.

Then at the bottom
29 Oct 08 Another new best- 10.914 @ 121.90 mph with a 1.452 sixty foot. Muncie prepped the track really well for the season closer, and the car responded. The DA was also great, started at +300 and when I made the last pass it was -300. Check out the video from the night!!
http://lsx.streetfire.net/video/9a44...45001f56d2.htm


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Old 06-08-2010, 10:02 PM
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turbo!!!! but a stock motor wont take much

http://www.youtube.com/watch?v=7v__Z951r8w
Old 06-08-2010, 10:49 PM
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thanks guys but im thinking about ditching the T/a and a 06 Gto here i come!!
Old 06-09-2010, 12:21 AM
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No boost just gonna switch platforms? Now that's just more expensive.
Old 06-09-2010, 02:50 AM
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Now not to hijack, but my questions are very relevant to the OP so I don't really see it as a hijack. I notice a lot of people saying turbo, but I see no specification as to WHY. I understand that for a drag application turbo is the best for obvious reasons for those that have basic knowledge of the two systems. But for a street or street/strip application, wouldn't a supercharger create a more linear, N/A like power curve, thus making the car more predictable? I am wondering because I have been contemplating eventually building a Procharged 355.
Old 06-09-2010, 09:33 AM
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well i have both, and actually the turbo is easier to drive on the street cause it dosent hat as hard as the charger. im runnin a d1sc and when it hits it hits hard, and i have much more traction problems. but with the turbo its easier to manage.
Old 06-09-2010, 12:25 PM
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Originally Posted by 4SFEDZ
im runnin a d1sc and when it hits it hits hard, and i have much more traction problems. but with the turbo its easier to manage.
What he said, I had a D1 and it was instant boost, hard to keep the tires from roasting, I am now going Turbo and will find out...
Old 06-09-2010, 02:51 PM
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Wow that's the total opposite of what I'd expect with the characteristics of how the two (at least on paper) work.
Old 06-09-2010, 05:31 PM
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Originally Posted by nighthawk15
Wow that's the total opposite of what I'd expect with the characteristics of how the two (at least on paper) work.
agreed! i woulda thought the opposite.... i cant wait till im ready for boost! afew more years to wait tho
Old 06-09-2010, 09:53 PM
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save up $10k and then decide.
Old 06-09-2010, 10:28 PM
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You can make a turbo look more linear on paper. Get a boost controller thats rpm adjustable. I ran a Apexi AVCR on my Nissan and when i had a smaller responsive turbo i would leave it at wastegate 7psi early in the rpms and set the controller so as the rpm increase, the boost would raise. Made it less squierly on the street and pulled like hell in the top end. I set it so boost would creep from 7psi under 3500rpm to 16psi by 7500rpm. Was a blast to drive that way.


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