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Old 08-24-2009, 07:27 PM
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Electric Fuel Pumps

Hi fellow streetrodders @ gear heads. I have a problem. I have a 50 chevy tk. w/350 sb 60 over w/eldelbrock int, cam kit, @ carb. "pete jackson" drive. summit roller lifters,tk runs just fine. But, I can't seem to fine a fuel pump that lasts. I ran a "autozone" brand about 6 yrs. Switch to NAPA "carter" brand, went threw (2) pumps in less than 60 days. They are inline pumps w/filter before pump. (napa says no problem w/pumps) So I switched to NAPA "POSI-FLO" brand. I'm going to try this one and see what happens Comments,suggestions,2cents welcome As always hotrodders BB is #1

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Old 08-24-2009, 07:48 PM
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The problem may be that the pumps don't like running against a dead head. You and I have done this for years with no apparent ill effects, but who knows how the manufacturers have cheapened the parts used in these current-day pumps?

If I were going to bullet-proof it, I'd run a return line from the carb to the tank and install a regulator in the return line. I'd choke the regulator down so that 5 psi would be delivered to the carb inlet.
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Old 08-24-2009, 08:21 PM
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You got a leaky spark tube...
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I ran a Holley Blue pump on my Blazer for several years by dead heading it. It was loud but worked fine. The only time I had a problem was when my voltage regulator went out and started sending 22v to my electric components. Needless to say, the pump wasn't the only thing that quit working...

A friend of mine ran a Holley Red pump with a return line and it worked well too.
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