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.

does my carbureted 86 Trans Am have an intake pump along with the mechanical??

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Old Aug 28, 2007 | 07:04 PM
  #1  
juansupreme's Avatar
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From: Riverdale, GA
Car: 86 Trans Am
Engine: 350 Roch-4bbl
Transmission: 700R4
Axle/Gears: Normal
does my carbureted 86 Trans Am have an intake pump along with the mechanical??

does my carbureted 86 Trans Am have an in tank fuel pump along with the mechanical??


I swappep engines 350 tbi converted to carb put electric external fuel pump by fuel tank, when car gets hot I notice that there are air bubbles coming threw new see-thru fuel filter car runs well but seeing air bubbles raises concerns..

Iz that normal???

Last edited by juansupreme; Aug 28, 2007 at 07:18 PM. Reason: More 411
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Old Aug 28, 2007 | 08:24 PM
  #2  
five7kid's Avatar
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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
Most likely not. '87 did, and earlier could have as part of a dealer-installed vapor lock kit.

Most likely you have a leak at the inlet of your in-line pump.
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