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Thread: Fuel lines, system plans....
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02-23-2012 #1
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Another vote for the vaporworx. I've already been down the road you're fixing to start on. You will get vaporlock/cavitation. You can think of a return based fuel system as an intake manifold cooling system, only without a way to shed heat.
Cavitation is when the negative pressure on a fluid causes a spontaneous phase change to gas, and the higher the heat load in the fluid the lower the negative pressure needed to cavitate.
The other issue with converted tanks is that you will need to keep the fuel level up or you will uncover the pump inlet. Cavitation from the hot fuel combined with the frequent going dry on the inlet will set the pump on a downward death spiral.
There are big differences between what works on a EFI drag car (what you are designing and what all the aftermarket pumps are for) and a street car system.
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