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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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I'm wondering if I have the right oil pump now....
My 261 is cast in 57 but its a replacement for an early block. So it has the High mount water pump.
The crank bearings are of the later type though...
I heard there were 2 different oil pumps.. anyone know the differences?
Jeremy | | |
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