Originally Posted by tclederman
That (oil pump) casting number/code number was/is for 1954/55st car, truck, and Corvette 6 cylinder engines.

That's the tech info I found too, also why I looked into it possibly being incorrect for the 261.

Originally Posted by Hotrod Lincoln
it has bigger gears and more volume than any of the original equipment pumps.
Jerry

The M-45?

Last edited by BLUEMEANIE; 07/06/2020 4:27 PM.