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Old 05-01-2012, 08:45 PM
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Electric fuel pump return

Hey Guys.....have an electric (external) fuel pump feeding to my 350 with an Edelbrock carb. Should I have a return line and if so how do I install it?

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Old 05-01-2012, 10:10 PM
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What pressure does the pump produce?
Pat
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Old 05-02-2012, 06:27 AM
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yes you should if you can, you just route a line to the return on the tank- if your tank does not have one, well then you have to make one which can be a PITA.

The return line should come off the regulator.
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Old 05-02-2012, 05:38 PM
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electric fuel pump return

Press. 5.5 to 9 lbs......what is a regulator??
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Old 05-04-2012, 05:03 PM
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electric fuel pump return

Installed regulator today and still having backfiring thru carb no matter what press. is set at.
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Old 05-04-2012, 05:46 PM
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Is it backfiring all the time, or just when you initially press the accelerator?
ssmonty
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Old 05-04-2012, 07:01 PM
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Set the pressure reg at 4.5 lbs.
Recheck the spark plug wiring sequence and where #1 is at. Does it start and run?
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Old 05-04-2012, 11:49 PM
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electric fuel pump return

Backfires when I accelerate...most times when I start and sometimes when I shut it down.
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