Thanks, Max, I'll keep it in mind.
Max Heim wrote:
> Check into it, 'cuz it can be more than annoying --- it can collapse your
> gas tank. No, no, not from the fuel pump's vacuum-producing power, but
> from fuel vapor condensing after a hot day. Say you're down to a few
> gallons of gas, and 10 gallons of fuel vapor, at the end of the day. As
> the temperature drops overnight, the vapor condenses, but... no air
> rushes in to take its place, because the vent is clogged. So a partial
> vacuum is created inside the tank, and normal atmospheric pressure
> squishes it flat. BTDT.
>
> Bud Krueger had this to say:
>
> >Still don't know why, but my gas cap vent - didn't. Neither did the rest
> >of the
> >system. Yesterday morning I was in my commuting mode, running along
> >smoothly at
> >60mph, when all of a sudden the engine sputtered and died as I pulled onto
> >the
> >shoulder. Sat there for a moment and pondered the world while listening
> >to the
> >silence of 5:15 am. After about a minute of contemplation, I turned the
> >key to
> >listen for the fuel pump. No sounds. Turned the key farther - engine fired
> >up. Said "sonuvagun", or something like that that, and pulled back onto the
> >highway. About two miles up the road it happened again. Pulled over on the
> >shoulder - got out - went around to the back and loosened the gas cap. THUMP!
> >You should have heard the sound of the tank sides expanding after the
> >inrush of
> >air. I'm very impressed with the ability of that SU pump to suck up some
> >vacuum. Left the cap at the first click and continued on my way. Strikes me
> >that this shouldn't happen in a '77B with the charcoal cannister still
> >plumbed
> >into the vapor separator. I'll check it out tomorrow.
> >
> >
> >--
> >Bud Krueger
> >http://home.ici.net/~bkrueger/
> >52TD x2
> >77MGB
> >
> >
> >
>
> --
>
> Max Heim
> '66 MGB GHN3L76149
> If you're near Mountain View, CA,
> it's the red one with the silver bootlid.
--
Bud Krueger
http://home.ici.net/~bkrueger/
52TD
77MGB
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