Having a filter before the pump might in itself be the problem.
on 6/20/08 9:29 PM, Stuart MacMillan at firstname.lastname@example.org wrote:
> Yes, the tank is vented, and I've left the cap off and it makes no
> difference. The pump can't suck fuel out of the tank on a regular basis, so
> the suction creates bubbles in the pump, that's what I mean by cavitation.
> I think there is some debris in the tank that partially plugs the pick up.
> I have a clear filter before the pump, and it doesn't look clogged. I've
> seen this once before in the '80's, when a piece of surgical tubing was
> stuffed back into the tank after someone siphoned gas during the last gas
> "crisis". After a few years, the thing dissolved into swollen goo particles
> that clogged the pick up intermittently.
> I guess 43 years is enough for a gas tank.
> -----Original Message-----
> From: Ed Woods [mailto:email@example.com]
> Sent: Friday, June 20, 2008 5:41 PM
> To: Stuart MacMillan
> Subject: Re: [Mgs] Fuel tank problem--ideas?
> Here's a thought: Is the tank vented somewhere? It has to be y'know. If you
> cannot find a vent, remove the gas cap and drive it. Does the problem go
> away? If so, vent the tank by drilling a hole in your gas cap; not the
> chrome cover, the part that seals the opening.
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
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