The center-to-center distance between the main shaft and counter shaft was too short. It was creating a light "binding" on the main shaft once all the rollers were installed. We knew it was off, since we had another couple cases we were using as guides.
MFM Machine set this up, and created a false (3rd indication location) and overbored the bearing ID in it's corrected location. A step (and slight counterbore) was added to set the new steel sleeve. The steel was bored for .0015 press for the closed end Torrington. The trans fits perfect, no drag, no bind . . . equals more horsepower, less breakage potential.
1956 KHK with factory 4 9/16" stroke.
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