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Restoration / Re: Over the counter replacement m-22
« on: June 15, 2024, 07:30:11 AM »
Very doubtful unless someone knew someone that knew someone.
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Ball bearings on the input shaft are more tolerant to bell housing misalignment. Muncies use that type.
Factory bell housing alignment are usually good enough for service with the Muncie and with a bronze bushing they are trouble free and easy to service. Newer reproduction bell housings or aftermarket bell housings are more frequently out of alignment enough to need offset pins to correct it.
The newer design Tremec transmissions use a tapered roller front bearing that is more intolerant of bell housing runout so it needs to be checked and corrected before buttoning it all together.
As for the pilot bearing vs bushing - the bushing works great and is easy to remove and install. The bearing is more difficult to remove, more intolerant of misalignment and does not bring anything to the table so....Why would anyone prefer a pilot bearing? JMO.