fuel system help
May 27th, 2018, 09:42 AM
#1
Registered User
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Join Date: Jul 2013
Posts: 78
fuel system help
Hi, I have a question regarding the use of the fuel return line . I have a 1972 cutlass ,originally with a 350 2bbl with AC and uses the single fuel feed line and vapor return type system. I am swapping in a very healthy 455 and was wondering if I should switch to the 3 line style system . I am in the process of changing the fuel tank right now and need a new sending unit for the tank and thinking it would be the right time if I am needing to change to the 3 line system before I reinstall the new tank .
May 27th, 2018, 11:20 AM
#2
Old(s) Fart
Join Date: Mar 2007
Location: Northern VA
Posts: 47,430
Hi, I have a question regarding the use of the fuel return line . I have a 1972 cutlass ,originally with a 350 2bbl with AC and uses the single fuel feed line and vapor return type system. I am swapping in a very healthy 455 and was wondering if I should switch to the 3 line style system . I am in the process of changing the fuel tank right now and need a new sending unit for the tank and thinking it would be the right time if I am needing to change to the 3 line system before I reinstall the new tank .
It never hurts to run fuel return, especially with today's crappy gasoline. Anything that keeps the fuel cooler will help prevent percolation and vapor lock.
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