Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

carb or tpi?

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Old 10-01-2007, 09:07 PM
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carb or tpi?

i have a 89 ta that currently has a tpi setup on a gm 330hp 350 , i just plan on using the car to drive to the local drag strip and race . my question is would i see a improvement in my et by swapping to carb if so what size should i get ? thanks
Old 10-01-2007, 09:30 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
650-750 DP.
Old 10-02-2007, 01:23 AM
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Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: carb or tpi?

Is this going to be a full on race car? You'd be better off starting with a car that is already carb rather than swapping one that is fuel injected.

Not to mention saving a fuel injected car for someone who is willing to learn it.

Last edited by Kevin91Z; 10-02-2007 at 01:40 AM.
Old 10-02-2007, 09:02 AM
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Car: 1991 Pontiac Firebird
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Re: carb or tpi?

for a straight up drag car your gonna wanna go carb. 650-750 sounds about right and a nice highrise intake would probably do you some good.
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