fuel pump issue
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Junior User
Joined: Feb 2013
Posts: 80
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From: Drumheller Alberta Canada
fuel pump issue
I have a 59 f100 with a 272 and a 2b Holley. The fuel pump was weak so I replaced with a new one. Didn't help. Any suggestions about in line electric pumps? I don't want to replace the cam if I don't have to
Laughing Gas
Joined: Aug 2010
Posts: 1,049
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From: Amarillo, TX
I researched the same thing. An in-line electric fuel pump should be no big deal - just get one with a similar psi & gph output as the engine driven one or you'll have to use a regulator too. Would also probably be a good idea to install a relay to provide key-on power to it.
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Junior User
Joined: Feb 2013
Posts: 80
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From: Drumheller Alberta Canada
We were having running issues, the truck would run only when fuel was poured into the carb, I checked the float and needle because the bowl was dry. They all seem to be free and working, so we removed the fuel line at the intake to the carb bowl & at the pump. The fuel coming out of the pump was just a trickle, so I replaced the pump. Now with a new pump I still only get a trickle.
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Junior User
Joined: Feb 2013
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From: Drumheller Alberta Canada
I ve got good fuel at the supply line to the pump, and the transfer line from the pump to carb is clear
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Refyred
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From: Upstate NY
Why would you replace the cam, do you think the pump is short stroking? Build the arm of the old pump up with a little weld and the polish it before replacement to give it the little extra it needs. I would sooner bet the new pump is junk though. It is not uncommon to get bad parts these days regardless of where purchased.
Post Fiend
Joined: Jun 2003
Posts: 8,209
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From: Black Hills of SD
Good catch. I was going to mention putting a vacuum pump with a catch jar on the supply side and see what happens when you put suction. I've found hoses that suck air but don't leak fuel too. But then I figured if you had that apparatus, you would have used it already and no sense recommending it if you didn't have one. Kinda rare but it does happen, especially if you get any fuel with alcohol.
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