GM Crate motor with tpi
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Joined: Nov 2007
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GM Crate motor with tpi
hey guys i just got a gm crate motor for my 91rs, and its already got a speed density tpi setup off of a 92 z28 mounted up. i have the harness, ecm, and a couple other little computer modules that i dont really know what they do. im swapping from a 305 tbi, so its pretty basic. from what i understand, i need a tpi fuel pump, and possibly the fuel lines too? apparently the tbi lines cant handle the boost in pressure. i already have the harness all layed out and labelled ready to go. any other problems i might run into besides the fuel delivery system?
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
No problem for TBI fuel lines to handle TPI pressure - they're the same thing.
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