Does it matter that my new water pump has two threaded holes as opposed to my old water pump having only one threaded hole ? Can I plug the second hole on the new pump and use it ? The bolt pattern and shaft length seems to be the same.

1960 235 Engine going back in a 1954 3100 Truck.

New Water Pump

Old Water Pump

Thanks. Michael...

Last edited by healingbear; 06/05/2018 11:57 PM.

1954 Chevy 3104 3 Window Hydra-Matic in my family for over 60 Years

Once in a while you get shown the light in the strangest of places if you look at it right... "Scarlet Begonias" Grateful Dead 1974