The Ford Barn

SoCalCoupe · 12-08-2021, 12:39 AM

To make a long story short, my mechanical fuel pump, which probably has less than 5000 miles service, is completely inoperable. The pivot holes on both halves of the push rod lever actuator are so elongated from wear that nothing happens when the push-rod pumps it up and down. It appears to be a cheap aftermarket pump but I wouldn't have expected this failure after such a short amount of time. Am I missing something? What's wrong? Ever seen this before?

I bought a very old vintage core on-line, rebuilt it and installed it this morning so getting on the road is not a problem.

Guess I'll just reuse the perfectly good lever actuator from the vintage fuel pump in the aftermarket pump and have a spare.

ford38v8 · 12-08-2021, 02:38 AM

5000 miles is awfully early, but yes, it has always been an issue. There was even an aftermarket product sold to take up the slack under the cup on that actuator after it developed that wear.

Lawrie · 12-08-2021, 02:47 AM

We are some what lucky here in Australia, we can modify a real common holden pump to fit and they work great, one on the 33 has been on since 1998 and never missed a beat, and has a hand prime lever too.
Lawrie

Charlie ny · 12-08-2021, 07:36 AM

Not wear, it's how it was designed to make assembling...by 6 yr old off shore residents...
quicker...the failure was in the diaphragm. Check any off shore pump most all are like that. The clue is the hex head on the six 10-32 cap screws not slotted philister head.
Charlie ny

marko39 · 12-08-2021, 07:56 AM

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The one i bought (Drake) had inlet and outlet wrong. I had to take apart and reindex. When tested, it put out more than 5psi. which i felt was too high. now sits in box in garage.

12-08-2021, 12:39 AM	#1
SoCalCoupe Senior Member Join Date: Sep 2021 Location: Point Loma, San Diego, CA Posts: 424	fuel pump comment To make a long story short, my mechanical fuel pump, which probably has less than 5000 miles service, is completely inoperable. The pivot holes on both halves of the push rod lever actuator are so elongated from wear that nothing happens when the push-rod pumps it up and down. It appears to be a cheap aftermarket pump but I wouldn't have expected this failure after such a short amount of time. Am I missing something? What's wrong? Ever seen this before? I bought a very old vintage core on-line, rebuilt it and installed it this morning so getting on the road is not a problem. Guess I'll just reuse the perfectly good lever actuator from the vintage fuel pump in the aftermarket pump and have a spare.

12-08-2021, 02:38 AM	#2
ford38v8 Senior Member Join Date: Jul 2011 Location: SF Bay Area Posts: 6,641	Re: fuel pump comment 5000 miles is awfully early, but yes, it has always been an issue. There was even an aftermarket product sold to take up the slack under the cup on that actuator after it developed that wear. __________________ Alan

12-08-2021, 02:47 AM	#3
Lawrie Senior Member Join Date: May 2010 Location: Qld, Australia Posts: 4,215	Re: fuel pump comment We are some what lucky here in Australia, we can modify a real common holden pump to fit and they work great, one on the 33 has been on since 1998 and never missed a beat, and has a hand prime lever too. Lawrie

12-08-2021, 07:36 AM	#4
Charlie ny BANNED Join Date: May 2010 Posts: 3,019	Re: fuel pump comment Not wear, it's how it was designed to make assembling...by 6 yr old off shore residents... quicker...the failure was in the diaphragm. Check any off shore pump most all are like that. The clue is the hex head on the six 10-32 cap screws not slotted philister head. Charlie ny

12-08-2021, 07:56 AM	#5
marko39 Senior Member Join Date: Oct 2016 Location: harpursville ny Posts: 1,040	Re: fuel pump comment Sponsored Links (Register now to hide all advertisements) The one i bought (Drake) had inlet and outlet wrong. I had to take apart and reindex. When tested, it put out more than 5psi. which i felt was too high. now sits in box in garage.