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Mod | | | Forums66 Topics128,090 Posts1,056,024 Members48,432 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Mar 2004 Posts: 6,214 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,214 | 58n63 From what I could understand modern gear oil may be too slick to let the synchronizer rings get enough friction on the gear taper to work like they should,may grind on the way in. If the shift collar dogs have weak worn springs so they don't put enough tension on the synchronizer ring may grind. You sometimes feel the collar go past the synchonizer then if you don't go back to neutral will grind. Always happens up town where people will know you don't know how to shift it !! LOL I believe the OP is asking about lube for his rear, not transmission... Mike B  | | |
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