This is interesting. I've noticed the same indication in a number od vehicles.
I'm just about willing to bet that the fuel filter is at the highest point in
the fuel system.
Bud Krueger
52TD
77MGB x2
Lonn Howard wrote:
> >Paul,
> >
> >the "air" in the filter is more likely to be petrol (gas) vapour in the
> >line. By the time you are out of the car, the area under the bonnet (hood )
> >has heated up the filter enough to boil away the fuel. In later B's , where
> >the fuel line to the front carb runs to the front float chamber first, the
> >filter is usually fit in just before it enters the front float chamber.
> It's
> >a much cooler spot.
> >
> >Durinx Willy
> >73 BGT "Ruth"
> >
> >
> I'm not sure I agree. If the fuel was vaporizing in the manner suggested
> then most of us would have problems with vapor-lock. I wonder if maybe the
> fuel pump is sucking air. Try blowing your system out, then plug the pipe
> at the tank end and pull a vacuum at the outlet of the pump and see if the
> system will hold a vacuum. Just a guess, but I bet not.
>
> Lonn Howard
> '70 TR6 -mine
> '71 TR6 -in my garage, therefore it's mine (dad might disagree)
> '70 MGB GT -mine, mine... all mine
> '89 Saab Turbo Convertible -hers
>
> "We are but temporary custodians with an obligation of preservation."
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