Quote:
Originally Posted by hatzie
One of the annoying things about the GM performance rebuildable mechanical pumps is the inlet and outlet are 180° apart and it's difficult to get them clocked so they don't interfere with something.
GM 12355613, the one you have, is 9PSI at 115GPH with 1/2NPT fittings.
GM 6415325 is 7PSI 30GPH with a slightly smaller diameter body with 1/4NPT fittings.
Holley makes a rebuildable mechanical smallblock fuel pump that allows you to clock the in and out fittings independently from eachother for about the same price point as the 12355613 GM Performance pump.
Holley 12-327-11 is 6.5-8PSI and 110GPH with 3/8NPT fittings
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Hatzie, what the hewk would I do without you, the house next to me is going up for rent, I'll PM you the address, LOL together we would be Damage Inc, ha ha