1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Fuel Pump?

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Old 09-19-2015, 02:26 PM
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Fuel Pump?

Anyone change the fuel pump in the tank over to mechanical one on the block?
 
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Old 09-19-2015, 04:29 PM
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302 efi had them in the tanks, along with some of the 460's. If you have the 302 efi the mechanical pump doesn't have enough pressure.
 
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Old 09-19-2015, 08:00 PM
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Originally Posted by Franklin2
302 efi had them in the tanks, along with some of the 460's. If you have the 302 efi the mechanical pump doesn't have enough pressure.


Its a 460 with carb.
 
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Old 09-19-2015, 08:40 PM
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If you want to take apart the front of the engine and install the proper parts, I am sure you could probably use a mechanical pump.
 
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Old 09-19-2015, 09:09 PM
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Mine came with the cam shaft eccentric for a mechanical fuel pump installed even though it has an electric fuel pump. The timing cover is also set up to accommodate a mechanical fuel pump, it just has a cover plate where the pump would go.
 
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Old 09-20-2015, 06:06 AM
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Originally Posted by Brnfree
Mine came with the cam shaft eccentric for a mechanical fuel pump installed even though it has an electric fuel pump. The timing cover is also set up to accommodate a mechanical fuel pump, it just has a cover plate where the pump would go.
The one experience I had was with a 302 efi. I did have to change the timing cover to mount the fuel pump, but what I would be worried about is the eccentric. Yes you may have the eccentric, but it may be only half of it like it was in my case. I had both the efi and the carbed 302 in front of me, and the carbed 302 had a eccentric that was two pieces, the center cup and then a thin ring that fit on the outside of the cup and made contact with the fuel pump arm.

Instead of the eccentric "rubbing" on the fuel pump arm, it actually turned against that outside ring. The outside ring stayed stationary as it was against the fuel pump arm, so the fuel pump arm did not have any place where it could wear from the eccentric sliding or rubbing against it.

It seems on engines that did not come with a fuel pump, Ford just used the center piece of the eccentric like a big washer to hold the cam sprocket in place.
 
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