[Spridgets] FW: fuel delivery issue

[banjojohn at cox.net]

Good thought.

---- Larry Daniels <ladaniels at sbcglobal.net> wrote: 
> John, you probably will want a filter before the fuel pump, as well.
> 
> LAD
> 
> --------------------------------------------------
> From: "John O'Brien" <banjojohn at cox.net>
> Sent: Sunday, May 09, 2010 10:31 PM
> To: "'Spridgets'" <spridgets at autox.team.net>
> Subject: [Spridgets] FW: fuel delivery issue
> 
> Thanks for everyone's responses a few weeks ago.  I believe I finally found
> and fixed the culprit.  I pulled the fuel tank today and removed the sender.
> I could see that the previous owner had done a coating treatment to the
> tank.  I have had the car about 15 years and did not realize it.  It looks
> like the coating was applied by sloshing it around in the tank, and it
> coated the screen filter for the pick up tube.  It must have had enough
> leakage that it could supply enough fuel until I ran it hard and then it
> just ran out of gas it could get through the mostly clogged screen.  It has
> probably had the few holes in the coating gradually fill with particles over
> the years till it could not get enough fuel through.  My solution was to
> take a long screw driver and punch through the screen in several places.  I
> am using an inline fuel filter, so I should catch any debris before it gets
> to the carbs.  I took it for a spin tonight, and so far so good.  After
> seeing the coated screen, about 2/3 of the way up, I am surprised I could
> get enough fuel to run at all, once the fuel level got below the coated
> area.  Anyway, I thought I'd report back incase someone else has a similar
> issue,
> 
> Thanks
> 
> John O'Brien
> 
> '61 bugeye
> 
> '65 BJ8
> 
> 
> 
>   _____
> 
> From: John O'Brien [mailto:banjojohn at cox.net]
> Sent: Wednesday, April 14, 2010 9:41 PM
> To: 'spridgets at autox.team.net'
> Subject: fuel delivery issue
> 
> 
> 
> Hi all you wealth of knowledge:
> 
> My Bugeye with a 1275 has been giving me a challenge lately.  Last year it
> would die suddenly after driving for a while, and usually after sitting at
> idle for a while and then pushing it hard.  I would sit for 5 minutes and
> then it would start and run normally again.  It seems like it started after
> I dropped the fuel tank to reseal the sender unit.  I had been having gas
> leak around the sender if I filled the tank full.  I thought I had a non
> vented gas cap, so I bought a new one. Still happening even if I leave the
> cap off or loose.  I have an aftermarket Mr. Gasket electronic fuel pump
> mounted just above the fuel tank in the axle tunnel.  I thought it might be
> acting up, so I put in another one I had and got the same result.  I have a
> glass fuel filter in the engine bay, and I can see that when I first start
> and until it gets hot the filter is full of gas.  When it starts acting up,
> I can see that the filter is empty.  I thought about vapor lock from heat in
> the engine bay, so I insulated the fuel line from where it comes up from
> under the car to nearly the carburetors, leaving the filter uncovered so I
> can see.  It is still happening.  Does anyone have any idea what is going
> on, and what I can do to stop it?  I used to have the fuel pump in the
> engine bay instead of near the tank.  I thought having the fuel line
> pressurized from the tank forward would decrease the likelihood of vapor
> lock.  I don't remember having trouble with vapor lock when the pump was in
> the engine bay.
> 
> Thanks for any help.
> 
> John O'Brien
> 
> '61 bugeye
> 
> '65 BJ8
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