<VV> Question or two..

[Roger Gault]

Years ago, when dropping the engine I forgot to un-hook the fuel line just
outside the engine compartment.  The line up over the rear axel is not
strong enough to support the engine.  ;-)  So, when I bent everything back
into a semblance of its original shape, the little piece of fuel line that
joins the two hard lines wanted to take on a sort of "Z" shape.  Looked
usable to me.  However, what happened is that after 10-12 miles that line
would get warm and soften up.  The "Z" shape made it pinch closed and shut
off the flow.  Once it cooled off, it would be fine.

The point of all that is to suggest you look at / replace the little rubber
hose up under the driver's side rear wheelwell.  It might be closing up or
it might be leaking air when it warms up.  Either problem is enough to
defeat the mechanical pump, but might not stop the electric from working.

NOTE:  Nothing said above or in any of my other posts, past or future,
should be construed as endorsement of the foolish idea of replacing a
perfectly good mechanical pump with a noisy, unreliable, dangerous device
developed by some demented Electrical Engineer.  The protection of
Electrical Engineers by the American Disabilities Act does not extend to
mandatory use of their products.

Roger (BSME)

----- Original Message ----- 
From: "Kerry B" <deaconone at teleweb.net>
To: <virtualvairs at corvair.org>
Sent: Monday, May 07, 2007 8:06 AM
Subject: <VV> Question or two..


> Hi,
>
> My car, when driving at 55 and up, at times will simply shut down. I
> usually have warning that this may happen because the car will act like
> it's starved for gas when taking off.  Pulling over to the side of the
> road, activating the back-up electric fuel pump will get the car started
> again. (car has both an inline backup electric pump and the usual
> mechanical pump. Mechanical pump is new last fall.) Problem seems to
> occure after driving for some time, though it was not hot out yesterday
> so not sure if it can be a vapor lock.
>
> I am not sure how to go about proving what the problem is. Am thinking
> maybe an air leak in a fuel line. (though I haven't found any evidence
> of a leak yet.)  Can the fuel pump rod be worn? (if so can it be removed
> without disassembling part of the engine?
>
> The electric fuel pump is  located behind the front cross member.  Gas
> tank was replaced a few years ago. How should the gas tank vent? (I am
> assuming that air needs to get into it as the fuel level drops??) Could
> something be blocked? Has a new fuel filter.
>
> Car: 1964 Turbo. Convertible...
>
>
> Kerry B.
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