Search results for query: *

I was thinking that looked like a date code myself. Not sure of the differences between early and late 70's castings. Mainly wondering why I can't find info on the casting #, maybe because it's from an RV? Are the 596 heads decent to work with?

Looking for a little help with casting numbers. I bought a long block last weekend and was told it is a 1974 360 from an RV. The casting # on left side of block is 4006830-360-7 right side is 72177, heads 4027596, 2367, 360. I have been to a few sites mymopar, stockmopar and yearone with no...