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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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#15074 08/07/2003 6:47 PM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Originally posted by 49 geezer: My manual states to use 50W detergent oil (49 GMC) in the three speed. Don't know what your tranny is but it also states NEVER to use hypoid oil. Ruins the innards!  Dang! I just learned something. They must have used babbit bearings, cuz hypoid oil will ruin them.
Fred
52 3600
69 C-10
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