Originally Posted by SupplySgt

Ah it's a W motor. While it is a big block, I don't think of it in the same family as the BBC as there were substantial differences between the two. I guess that's just a difference in opinion though as I'm sure there are those who think of the W motors the same as the BBCs and 8100 (which, while sharing many features of the LS motors, had much more in common with the Mark IV BBC than the W engine did as far as design)