Preventing vapor lock

[GregWeld]

I don't need an answer -- I'm just THINKING OUT LOUD --- so to speak.


Fuel "boils" when under vacuum (suction) --- so since the pump is external to the tank and pick up --- What size is the pick up tube?? And do you have any sharp 90's on the INLET side from tank to pump.... I try to use 90* "sweeps" instead of hard 90's or GO UP IN SIZE on the pick up and plumbing to the pump to avoid that. IDK.

[J-440]

-10 sending and -8 return. The fittings are both at a 45 degree coming from and to the tank. The sending line makes a nice radius above my rear axle, goes around to the side next to the frame rail where the pump is mounted. Just behind the rear tire and under the trunk floor. I have a pre filter, then the pump then the line does a 180 (2 90 degree fittings joined together) to another filter then it’s a straight shot to the fuel rails.