1CM crankshaft

This photo set is from the HAMB on a for sale add. It's not real clean but the 1CM is visible.
https://www.jalopyjournal.com/forum/threads/1951-mercury-flathead-crankshaft-4-stroke.1112761/

The major change was the larger bore size in the rear flange to accommodate the automatic transmission torque converter. Other wise they are basically the same and interchangeable.

rotorwrench;,

Thank you for the response. This us what I get for posting too early in the morning. I wrote crankshaft when I should have written camshaft. I will start a new post.

Thanks again.
 
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