do it yourself porting
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
do it yourself porting
how hard is it to port a stock tpi plenum n runners. i have a few laying around and thought id give it a try
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Joined: Sep 2004
Posts: 5,906
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From: Chicagoland Suburbs
Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: do it yourself porting
Search, search, search. LOTS of info on the boards.
Joined: Apr 2005
Posts: 7,736
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
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