Should I go TBI????
09-20-2000, 11:08 PM
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Should I go TBI????
I am really thinking about going to TBI rather than a 4 barrel holley or TPI. I have been told that the TBI setup is alot easier to work with than a TPI but I would want a 4 barrel TPI to feed the 383. Do you all think that it is worth it?
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09-20-2000, 11:15 PM
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Car: Turbo Buick
Engine: 3.8 V6
how much hp are you projecting out of this 383? the two barrel 670 tbi will support 350 hp easy if done right
i like tbi alot its like the high rpm potential, manifold selection, and tuning of a carb, but with none of the downfalls like low rpm/vacuum signal problems, hence better low end torque
i like tbi alot its like the high rpm potential, manifold selection, and tuning of a carb, but with none of the downfalls like low rpm/vacuum signal problems, hence better low end torque
09-20-2000, 11:19 PM
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I was looking at least 350 hp maybe over 400 hp just not real sure yet what kind of gas mileage could i expect with a 4 barrel TBI and 3.08 gears and 700r4. with 350 HP
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09-21-2000, 05:05 PM
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Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
U think those injectors that come with that Holley TB unit will be enough for a 383? I would think maybe 88lb injectors, flow matched.
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