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Username Post: fuel pumps for 2Bbl vs 4 Bbl carb set up        (Topic#356477)
55nomad 
Member #742 "17th Year" Gold Supporting Member
Posts: 286
55nomad
Loc: Spring, Tx
Reg: 12-27-02
05-19-19 07:38 AM - Post#2766707    

Are the 283 fuel pumps the same for the 2Bbl and 4Bbl carb? I'm converting my 2Bbl carb system to 4Bbl. Also, I believe the fuel lines from the tank are larger for the 4Bbl Carb, correct?

Thanks

Tom


 


YOUNG57 
Frequent Contributor
Posts: 1218

Loc: Tennessee
Reg: 12-06-10
05-19-19 08:32 AM - Post#2766711    
    In response to 55nomad

No

The fuel pumps and 5/16” fuel lines were the same for 2- and 4-barrel carbs. Even dual exhaust with only one 4-barrel had the same pump and 5/16” fuel lines but they moved the fuel lines to outside the frame rail away from the heat of the second exhaust pipes and muffler.

Only with the higher performance dual-quad and fuel injection 283 did it increase to a larger fuel pump and 3/8” fuel lines.



 
YOUNG57 
Frequent Contributor
Posts: 1218

Loc: Tennessee
Reg: 12-06-10
05-19-19 08:35 AM - Post#2766712    
    In response to YOUNG57

Also, the fuel sending unit at the tank was increased to 3/8” for the dual-quad and fuel injected performance 283 to match the fuel lines.



 
55nomad 
Member #742 "17th Year" Gold Supporting Member
Posts: 286
55nomad
Loc: Spring, Tx
Reg: 12-27-02
05-19-19 12:14 PM - Post#2766722    
    In response to YOUNG57

Excellent, thanks for the fast response


Tom


 


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