Fuel delivery question
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Senior User
Joined: Jan 2013
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From: New Mexico
Fuel delivery question
I have a 1987 f250 with a edlbrock 4bbl carburator. It isnt running yet because the in-tank fuel pump is not working, but that should be fixed tomorrow. My question is how many fuel pumps do you have? I have read that there is supposed to be an in-tank pump and either a pump on the side of the block or an in-line pump. My truck only has the in tank pumps, no inline or anything. Is it ok to run like this? I have been looking at the inline pumps and they all pump 70-90 psi, but the carb is only rated at about 8-12 psi.
Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
The frame pumps are for fuel injected engines. Some do put a low pressure pump on the frame but you do not need that unless you have fuel starvation at hi altitude climes.
You have only the two in-tank pumps and a electric selector valve on the frame for the fuel gauge and align the the right tank to the engine for both supply and return fuel to the right tank.
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You have only the two in-tank pumps and a electric selector valve on the frame for the fuel gauge and align the the right tank to the engine for both supply and return fuel to the right tank.
/
Thread Starter
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Senior User
Joined: Jan 2013
Posts: 210
Likes: 0
From: New Mexico
The frame pumps are for fuel injected engines. Some do put a low pressure pump on the frame but you do not need that unless you have fuel starvation at hi altitude climes.
You have only the two in-tank pumps and a electric selector valve on the frame for the fuel gauge and align the the right tank to the engine for both supply and return fuel to the right tank.
/
You have only the two in-tank pumps and a electric selector valve on the frame for the fuel gauge and align the the right tank to the engine for both supply and return fuel to the right tank.
/
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