[Healeys] Fuel bill up in filler pipe

[Oudesluys]

Although the liquid will expand it is very unlikely that it will expand 
that much to cause an overflow if the level is just visible at the 
bottom of the pipe. It is the  trapped air/fumes that will expand 
considerably thus pushing out the fuel.
Hence the advise to park the car with the filler pipe in the highest 
position, so that the trapped air/fumes can escape through the filler pipe.
Kees Oudesluijs
NL


Len and/or Marge Hartnett schreef:
> Dan:  Trust me.  If I fill up my tank to the point that I can see the 
> gasoline in the filler neck, and this is a few inches down from the 
> top, and I drive the four blocks to my house and park in my driveway 
> on a 100 plus degree day, the gasoline will expand and overflow the 
> tank.  It is not the vapors that cause the problem, it is the gasoline 
> expanding from its temperature underground to the ambient air 
> temperature above ground.
>
> (The Other) Len
> Vacaville, CA, USA
> 1967 AH 3000 MkIII, HBJ8L39031