[Healeys] Gasoline Overflow follow up

[Ron Davies]

Mark:
The auto shut off has always worked with both of my BJ8s at every gas
station.
Ron
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Heres a stupid question.   Why didn't the auto shut off on the pump work. 
I have never filled a Healey
tank up I am a tad embarrassed to say. (still restoring)   But knowing that 
it has an extremely long filler pipe ,   does this prevent the pumps from 
shutting off.    Come to think of it does the fuel have to go half way up 
that long filler tube in order for the pumps to shut off?

Mark