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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.

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Old 10-11-2008, 04:30 PM   #1
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Car: 89 Firebird Formula
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regulators

guys im also doing a carb switch and so i was wondering how many ports do i need on an return fpr 3 or 4?
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Old 10-11-2008, 04:35 PM   #2
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Car: 1984 Z28 Hardtop / 1988 IROC T-top
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Re: regulators

One input, one output, and the return.
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Old 10-11-2008, 04:54 PM   #3
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Join Date: Jan 2008
Location: Susanville Ca
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Car: 89 Firebird Formula
Engine: chevy 5.7 V8 TBI but carbed soon
Transmission: T-5
Axle/Gears: no freakin clue lol

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Re: regulators

thanks man
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Old 10-11-2008, 06:12 PM   #4
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Car: 82 Berlinetta(2)/57 Bel Air
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Just to be clear, you need a regulator that controls pressure by controlling how much is returned to the tank. A $25 regulator won't cut it, even if it has 3 ports.
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Old 10-27-2008, 04:13 PM   #5
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Re: regulators

and you did not ask me why? you did see my carbed motor and regulator on the bench when you grabbed the headliner.

use an Aeromotive 3-20 pound universal bypass reg. summit racing 117.00
has 4 port and another for bypass.
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Old 10-27-2008, 04:13 PM
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