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Mod | | | Forums66 Topics128,136 Posts1,056,425 Members48,441 | | 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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Oct 2011 Posts: 187 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 187 | Hi all, I have a 58 3600. I have a 2 part question for you. What kind of oil do I put in my tranny (4 on the floor). I only see Auto Tran fluid at the store. And what do I put in the differential? (Gear Oil?)
Thanks Rick
Rick
58 3600 4 on the floor
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
API GL-5 Gear Oil (not a hypoid gear oil in light trucks).
80 weight (in winter) or 90 weight mineral oil in manual transmissions
90 weight or 140 weight (in high ambient temperatures) mineral oil in light truck rear ends
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