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  1. Dave1967

    how neccesary is a return line for a electric fuel pump?

    If you plan to drive the car with ethanol blend gas, in traffic, and pleasure driving? Absolutely yes you need a by pass. If your car is a drag only car? Then no. Dead head will be fine. I run a 340 sixpack in a 67 barracuda . Holley black pump. 3/8 fuel line to carbs. 3/8 fuel line back to the...
  2. Dave1967

    How to test fuel sender

    The only way I know how to test the sender is out of the tank and ohm test. With the wire going back to the tank ground it with a test light. If you get a on off repeating signal then your wire is good. But your sending unit is not. Ground the sending unit and it should work.
  3. Dave1967

    Adding Fuel Return line to 1970 Mopar

    17 gallon RCI fuel cell. Holley bypass reg. feeding 340 six pack. Holley black pump. 3/8 line to reg 3/8 line back to fuel cell. 3/8 line for fuel cell vent.
  4. Dave1967

    Gas filler tube question

    Vent cap is fine. It will not PUKE ALL OVER THE CAR if you don't fill the tank. If you car doesn't have a vent in the gas cap drill a 1/8 hole.
  5. Dave1967

    Whats going on with my A/F??

    Are you using 10%ethenal gas in your car? If so you need to drop your a/f ratio down to 13 to 13.5. When driving at 2000 rpm and drop 12 to 12.5 is fine. When I open up my six pack I drop to 10.5. When hot at idle 1000 rpms I'm at 13 to 13.5. I use two gauges one in each header down at the...
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