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Force Fuel Return Line Size
#1 · March 12, 2025, 8:33 am
I am about to install a Fitech 30002 600HP system in my 1984 Chevy C10, 35o engine DUAL TANKS.
The Force Fuel system is filled by the mechanical fuel pump of the 350.
This pump is fitted with a 1/4" return line as standard.
I am going to need to use this line in the EFI system, as the dual tank setup has a tank selector valve with 1/4" return ports.
Anyone see any problem with this?
Increasing the size of the return line is not a viable option.
Do I need to plumb the return from the Force Fuel unit in addition to the return from the mechanical pump?
Can I close off the return fitting on the mechanical pump?