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A Combat will have a "C" stamped on top of the head. A combat will have a 2S profile cam. Unless someone added those, it is not a Combat.I have an engine with a 70 bottom end, 71 or 72 frame (71 serial), 850 style cylinders, and a RH6S (73) head. So, is it a 70, 71, 73? It is titled as a 72.
A Combat will have a "C" stamped on top of the head. A combat will have a 2S profile cam. Unless someone added those, it is not a Combat.
I have an engine with a 70 bottom end, 71 or 72 frame (71 serial), 850 style cylinders, and a RH6S (73) head. So, is it a 70, 71, 73? It is titled as a 72.
