Lotus Elan

Fuel pump thread size

PostPost by: William2 » Sun Feb 22, 2015 6:16 pm

Does anyone know the thread size for the petrol pipe unions on the AC Delco original glass bowl fuel pumps?
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PostPost by: ricarbo » Sun Feb 22, 2015 8:44 pm

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.
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PostPost by: redskatejbf » Sun Feb 22, 2015 9:11 pm

I make my spare pump thread to be 1/2" U.N.F. @ 21 tpi.....both sides.

Regards John.
The lines fall unto me in pleasant places, yea I have a goodly heritage.
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PostPost by: redskatejbf » Sun Feb 22, 2015 9:11 pm

I make my spare pump thread to be 1/2" U.N.F. @ 21 tpi.....both sides.

Regards John.
The lines fall unto me in pleasant places, yea I have a goodly heritage.
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PostPost by: RichardHawkins » Tue Feb 24, 2015 6:28 pm

William,

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

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