Originally Posted by fixite7
kevinski Someone commented that synthetic gear oil may be too slick to let the synchronizer rings work,may grind more going in !

Hotrod Lincoln has mentioned that in this thread.
https://www.stovebolt.com/ubbthread...ssion-grinding-in-first.html#Post1374964


Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
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