I'm getting ready to install my E8228 fuel pump and am wondering about the size of the return line. The feed line from the pump to the fuel rail is 5/16" but the return line is only 1/4". I am thinking this could cause some back pressure and possibly some fuel pressure spikes due to the 1/4" line possibly restricting the fuel return. Has anyone had a problem with this?
Another option is the vapor line from the tank to the charcoal canister is 5/16". It would be very simple to swap the two and make the 5/16" vapor line the fuel return and make the 1/4" line the vapor canister feed. I can't imagine having the vapor line go from 5/16" to 1/4" causing any type of problems since all it does is feed vapor from the tank to the canister. Thoughts?
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1979 CJ7, FI 5.0L Ford, NP435, D300, Full floated D44 Detroit, D30 Detroit EZ Locker.