Keith Eickert mechanical fuel pump issues

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10-17-2018 | 08:54 PM

#31

Baja Rooster

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I bought a $10 Electric fuel pump off of amazon to empty the 80 gallons of gas that was in the tank and that thing was a champ. This so far has been a waste of cash and time.

10-17-2018 | 09:06 PM

#32

BUP

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With SOME of the mechanical fuel pumps --- once you break away the diaphragm seal from the pump it is worthless ..

Just some other info --- the size of the needle and seat in the carb can effect fuel pressure -- higher or lower depending on size . fuel pressure regulators is always a good idea.

plumbing, fuel filters . micron ratings also fuel set ups of routing / fittings / diameters and fuel lines can effect fuel pressure.

Also Longer runs (length ) of fuel lines can decrease pressure.

Last edited by BUP; 10-18-2018 at 01:29 AM.

10-17-2018 | 09:39 PM

#33

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Quote:

Originally Posted by BUP

So, no carb is attached. The beauty of this thing is that it’s suppose to self regulate. It’s 3’ of line to the tank. The $10 Electric pump pulls fuel just fine. It’s common to use a better lower on the stock upper so why wouldn’t the rubber diaphragm seal back up? Try a sealer on it?

10-18-2018 | 01:34 AM

#34

BUP

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I was just short jisting info about fuel pressure for carb engines using mechanical pumps. What I was saying has nothing to do with pumping out fuel from tanks to empty them,

For sealant one has to use it for gas and Ethanol fuels to maintain a seal and acid free so it does not attack rubber and soft metals - alot of sealants are not rated for ALL THAT.

10-18-2018 | 11:16 AM

#35

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The pump is actually only sold as the bottom half for this purpose. I’m looking into gasganinch to help seal it, reassemble, and give it one more shot.

10-18-2018 | 12:22 PM

#36

BUP

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I have these as well but always wondered on the claims of output fuel flow ?

Post 12 in this thread

Good thread sealant

10-18-2018 | 12:27 PM

#37

BUP

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a bit of what I was posting about

really do not feel like typing much today and here is the sealant ---- 2 of them for the diaphragm plus a tad of related info. This all I could find for now doing a quick search and it came up on youtube of all things.

Last edited by BUP; 10-18-2018 at 12:30 PM.

10-18-2018 | 12:32 PM

#38

BUP

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this to. READ POST 12 as I was saying for a jist and the diaphragm

I do not feel like typing so here was search I found basically what I was going to type all out. Glad I found this haha

READ POST # 12 and if one wants to read the whole thread --- 2 pages of it but post # 12 read that .

holley fuel pump issues | Page 2 | NastyZ28.com

Last edited by BUP; 10-18-2018 at 12:39 PM.

10-18-2018 | 09:49 PM

#39

Baja Rooster

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I used Permatex Aviation gasket sealer as I have that laying around and used the process lined out in post #12 and give that a shot and will report the results. Thanks BUP.