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

supercharger question

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Old 04-18-2007, 04:18 PM
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i was thinking about putting a sc on my transam. i know i need injectors fuel pump, and adj regulator. the car has an offroad ypipe and catback. if i run like 4.5 to 7 psi will i blow anything up?
Old 04-18-2007, 05:14 PM
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I would think 7psi would probably be the max that you could safely run.
Old 04-18-2007, 05:30 PM
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i have heard 10psi on a stock bottom end. but krayzie said about 7psi safely
Old 04-18-2007, 06:35 PM
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I am currently at 9 psi on a stock engine. It is primarily raced and I keep good gas in her. She has been damn consistant!! Hope to shed a few pounds and get her in the 10's on stock motor(with exception of valve springs and rocker arms). I put 500 street miles on it before I went with T400 and 4.30 gear.

Keep it at 8 or below with after coolers and with a good tune you will be alright.
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95 Pontiac Formula- Stock engine with ATI Procharger, Moser 12 bolt w/4:30 gears, Rossler trans, Neil Chance 4000 stall, M/T ET streets, 10.914@ 121.90mph, 1.452 60ft. GMHTP November 2010 Feature Car. Check it out at:
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Old 04-19-2007, 03:57 PM
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Originally Posted by silver95
I am currently at 9 psi on a stock engine. It is primarily raced and I keep good gas in her. She has been damn consistant!! Hope to shed a few pounds and get her in the 10's on stock motor(with exception of valve springs and rocker arms). I put 500 street miles on it before I went with T400 and 4.30 gear.

Keep it at 8 or below with after coolers and with a good tune you will be alright.
do you use it on the street?



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