Strange 318 Block
Also to the poster who mentioned something about possibly thicker cylinder sleeves, heres a picture through the freeze plug on the side if that helps, they do look close, but I don't have another block to compare it to.
Also to the poster who mentioned something about possibly thicker cylinder sleeves, heres a picture through the freeze plug on the side if that helps, they do look close, but I don't have another block to compare it to.