How much power can I squeeze from a Stock TPI?
06-08-2002, 10:36 PM
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Car: '89 Formula 350
Engine: 5.7L L98 TPI
Transmission: 700-R4 Automatic
Axle/Gears: 7.5 disc posi 3.23
How much power can I squeeze from a Stock TPI?
I am going to build a 383 and plan on using my stock looking TPI unit. What I mean is that I am going to keep it looking like a traditional TPI unit. I will upgrade to larger runners and a larger base unit, but the plenum will still be there. How much power can I wring out of this with the plenum restriction?
06-08-2002, 10:58 PM
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Car: 88 GTA
Engine: modified L98
Transmission: 700r4
Axle/Gears: 3.27 9-bolt
The plenum is not a restriction. The power restriction will be the diameter of the runners, and the length of the runners forcing a low rpm power band. Your best choice for a base is the Edelbrock (just because it's the cheapest $, they all perform about the same) and either SLP or AS&M semi-siamesed runners.
You should be able to get 350+ rwhp pretty easily with a 383 I would think.
Good luck.
You should be able to get 350+ rwhp pretty easily with a 383 I would think.
Good luck.
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