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Fuel pump thread size

PostPosted: Sun Feb 22, 2015 6:16 pm
by William2
Does anyone know the thread size for the petrol pipe unions on the AC Delco original glass bowl fuel pumps?

Re: Fuel pump thread size

PostPosted: Sun Feb 22, 2015 8:44 pm
by ricarbo
I don't know the answer, but I have seen it on this site. So I suppose it can be found (possibly) through a search if nobody chips in with the easy answer.
Regards
Richard

Re: Fuel pump thread size

PostPosted: Sun Feb 22, 2015 9:11 pm
by redskatejbf
I make my spare pump thread to be 1/2" U.N.F. @ 21 tpi.....both sides.

Regards John.

Re: Fuel pump thread size

PostPosted: Sun Feb 22, 2015 9:11 pm
by redskatejbf
I make my spare pump thread to be 1/2" U.N.F. @ 21 tpi.....both sides.

Regards John.

Re: Fuel pump thread size

PostPosted: Tue Feb 24, 2015 6:28 pm
by RichardHawkins
William,

I have just measured, and confirm 1/2" UNF.

Richard Hawkins