So I just bought a 64 Chevy 1/2 ton. The PO said that it had a 235 engine in it, I think it has a 250 or something. My 60 has a 235 and it looks very different from this "235". Was the style of the 235's changed when GM changed the motor mounts to the side? This one has kind of a wavy valve cover on the manifold side, whereas my older one has a valvecover with straight sides held down by 4 screws. Everything on this motor looks different from the earlier one. If anybody could help me that would be great, thanks.