Thanks for the information, Trevor. My brother had a 617.952 replace his 1980 617.950 and I do recall something about a part of the cross member being cut out slightly. I'll have to take a closer look at it today.

I'm not sure what your saying about the oil filter housing, Looking at the two engines the model numbers on the oil filter housings are identical so I'm not quite sure why they would need to be swapped?

Also thanks for the heads up on the bolts. The two engines are currently out and sitting on the floor while I'm switching things from the 617.950 to the 617.952 so the cross member is easily accessed. It's just a matter of knowing where to grind it down for the upper oil pan to fit and not removing too much.

Thanks, everyone.

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Rev. Dr. G. Church of the SubGenius
It doesn't take a genius