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.

regulators

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Old Oct 11, 2008 | 03:30 PM
  #1  
kahless's Avatar
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Joined: Jan 2008
Posts: 150
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From: Susanville Ca
Car: 89 Firebird Formula
Engine: chevy 5.7 V8 TBI but carbed soon
Transmission: T-5
Axle/Gears: no freakin clue lol
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 Oct 11, 2008 | 03:35 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: regulators

One input, one output, and the return.
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Old Oct 11, 2008 | 03:54 PM
  #3  
kahless's Avatar
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Joined: Jan 2008
Posts: 150
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From: Susanville Ca
Car: 89 Firebird Formula
Engine: chevy 5.7 V8 TBI but carbed soon
Transmission: T-5
Axle/Gears: no freakin clue lol
Re: regulators

thanks man
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Old Oct 11, 2008 | 05:12 PM
  #4  
five7kid's Avatar
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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
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 Oct 27, 2008 | 03:13 PM
  #5  
irocdaddy's Avatar
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Joined: Dec 2000
Posts: 476
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From: sacramento,ca. usa
Car: 89 iroc,2012 eco 150,roadglide
Engine: zz4
Transmission: t56
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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