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Re: [Mgs] Fuel tank problem--ideas?

To: MG List <>
Subject: Re: [Mgs] Fuel tank problem--ideas?
From: Max Heim <>
Date: Fri, 20 Jun 2008 17:47:26 -0700
I don't understand "cavitation" as a description of the problem. At least,
it doesn't make sense that "solid state" would make any difference to
"cavitation", which is a purely hydrodynamic issue, if it exists at all.

Here's a question: does it run if you remove the gas cap?

on 6/20/08 5:11 PM, Stuart MacMillan at wrote:

> My 1965 B has given me a lot of trouble over the last couple of years.  Last
> year it was a coil that quit when hot.   Stranded me three times before I
> figured it out, after replacing everything else first.  The worst was
> waiting for a drawbridge that took a half hour.  I tried to wait it out by
> idling, but gave up and shut the hot engine down.  Of course, it wouldn't re
> start.  Five miles of traffic backed up between me and the bridge.   Coils
> never fail, do they?   I've never seen this in my 45 years of messing with
> cars.  
> Now I've got a pump cavitation problem.  I've tried two other pumps, and now
> am using Moss's solid state pump that resists cavitation.  It's pretty darn
> good, but not perfect.  I hear a loud clicking when it cavitates, and it
> comes and goes.  If it stays long enough the engine will die, but restart.
> So, the only thing I'm left with is the tank.  It is the original, so I
> can't complain I guess.  But, if I remove the line, gas runs out of it no
> problem.  The only thing I can figure is that rust or debris is clogging the
> pick up when the pump is pumping.  But when I detach it from the carbs it
> seems to pump fine.
> Any other ideas?  It looks like the only aftermarket tanks out there are
> without baffles, and I don't like that idea.
> Thanks!
> Stuart
> '65 Roadster 
> _______________________________________________


Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
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