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Old October 20th, 2009, 09:01 PM
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110 external fuel pump

Hey everyone,

I did a little searching and came up with nothing. I found a lot of info about in-tank pumps but none for externals. I have a V8 with twin carbs and an external fuel pump. Looks like my pump is shot. Anyone know what the PSI would have to be if I were to replace it with an after market one? I have found facet pumps and it looks to be a good pump but I just don't know how high the PSI should be for a V8 with twin carbs. Thanks.

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Old October 21st, 2009, 08:25 AM
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J. Michael McCaig
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I'm still using the stock facet pump with no issues even though I upgraded the engine to a 4.6 and a 4bbl carb so you should be fine with a replacement. The fuel pump has a filter in it so be sure to check that before tossing the pump. Its a bronze cleanable filter and the bottom of the pump just twists to unlock and it drops out. If you still have the stock fuel filter canister next to the pump you can get replacement elements at NAPA. The number is 3348. If the pump is bad you can buy the replacement fairly easy in the states. You can even find them on ebay.

Good luck

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Old October 21st, 2009, 08:30 AM
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Doug Crowther
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I had one of the originals quit and it was just a bad ground. I sanded the contact point on the frame and made a new ground wire and never had another issue. I would think any pump making 3.5-4psi would work. Facet also makes a fuel pressure regulator where you can dial in your dresired pressure.
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