holley fuel pump fitting

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04-23-2006, 08:52 PM

djtalon

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holley fuel pump fitting

anyone know size of fitting that screws into holley mechanical fuel pump to mercruiser hard line. The flared fiting on the merc pump is smaller.
thanks

04-24-2006, 06:05 AM

Payton

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Re: holley fuel pump fitting

I believe Merc is 3/8 and Holley is 7/16. Next size bigger. Or is it 1/4 and 3/8?

Just take the fitting out of the Merc pump , go to the hardware store and buy the next size larger.

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