Re: Reusing cluster gears
I have rebuilt and run several transmissions with used cluster gears. I have never bought / used a new cluster gear. To date, after thousands of miles, all is good using SAE 75W145 gear oil. A little noise can be quieted by adding STP to the oil.
However, I avoid using gears that have pitted teeth because the pits are usually fatigue failures (exfoliation).
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Bob Bidonde
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