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 Return Line Diameter...

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Old Jan 18, 2006 | 08:22 PM
  #1  
86LG4T56's Avatar
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Joined: Jun 2004
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From: Denver
Car: 1986 Firebird
Engine: LG4 305
Transmission: T-5
Carb Return Line Diameter...

I also posted this question in TPI, but anyway-

Does anyone know the diameter of the fuel return line that the computer LG4's used? Is it the same as the TPI cars?


Thanks!
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Old Jan 18, 2006 | 10:14 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
The tube itself is 5/16", but it's necked down to 1/4" at the end where the hose slides on.
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