Originally Posted by Greg_H
Someone will correct me if I am wrong but I also believe one of the easy to miss differences is the H-M engine would have had a pilot bearing in the back end of the crankshaft vs. a pilot bushing in a manual transmission motor.

Since there is no relative motion between the crankshaft, and the drive torus of the fluid coupling, there is neither a bushing nor a bearing. Just a counterbore in the crankshaft flange to center the torus.
Jerry

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