Hey guys, pretty new to this site but not new to Chevys by a long shot. I have a 1968 Nova, putting it back to semi original condition. When I got the car, it had no engine or trans. It has the correct frame GM stands for a big block, GM engine mounts, side mount radiator. Problem is when I mount the fan shroud on the radiator, the fan is not centered in the fan shroud - it's too low and off to the passenger side but much more so low. Anything obvious I should be looking at?