I purchased a 1981 CM400C with all the parts in a box. When looking at the engine it appears to be a CM400T based off what I could find searching for the stamped number. I'm having an issue in which the engine mounts are not matching up with the frame. I'm wondering if these are supposed to fit, if I need different mounting brackets, or if something is wrong with the frame? The two bolts in the engine that directly mount to the frame do line up, but after I get bolts in there the top mounting brackets and the front mounting bracket do not line up at all.