Originally posted by Rust Bucket:
1953 Powerglide and all 1954 235's were high pressure lube engines using the same water pump as the 216.The 55 and later 235 and 261 engines utilize the different pump.
Not all. Not the one in my garage, anyway. It's similar, I'll grant you. And it's a November 1953 block casting.
In any case, just buy a waterpump. You probably want a new/rebuilt one anyway, it's a false economoy to use a 50 year old pump...
Cheers!
George