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Click on image for the lowdown. 
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8 members (FrankenChevy, fonz8261, Peggy M, baldeagle, tclederman, TexasJim50, carbking, 1 invisible),
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robots. | | Key: Admin,
Global Mod,
Mod | | | Forums66 Topics128,018 Posts1,055,341 Members48,419 | | 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!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#15072 08/06/2003 5:58 PM | Joined: Nov 2000 Posts: 582 Shop Shark | | Shop Shark Joined: Nov 2000 Posts: 582 | 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!  | | |
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