LT1 on stock L98 heads
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Joined: Feb 2002
Posts: 317
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From: WI
Car: 1989 GTA
Engine: LS1
Transmission: T56
Axle/Gears: 9bolt 3.27s
LT1 on stock L98 heads
Would I notice any performance increase on my 383 stroker if I put an LT1 intake on with my stock L98 heads compared to a stock TPI on stock L98 heads?
Thanks,
Thanks,
Senior Member
Joined: Oct 1999
Posts: 566
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From: New Britain, CT, U.S.A
Car: '87 IROC
Engine: LT1 350
Transmission: 700-R4
Your car will pull harder above 4500 rpm...and since you have a stroker, the slight loss of torque on the bottom end won't be felt too much.
Senior Member
Joined: Jul 2001
Posts: 649
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From: San Rafael, CA
Car: 1988 Trans Am GTA
Engine: 5.7L TPI (L98)
Transmission: 700RJunk
To really benefit from the LT1 intake (and the hassle of modifying it), you need a good set of heads and a cam to go with it. Sure it will run harder up top than with the stock tpi intake, but the stock L98 heads and cam aren't the best either so you will run into their limitations pretty fast.
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theshackle
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Mar 5, 2017 06:37 PM





