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Mod | | | Forums66 Topics128,114 Posts1,056,605 Members48,450 | | 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: Sep 2006 Posts: 7 'Bolter | | 'Bolter Joined: Sep 2006 Posts: 7 | I’m looking for thoughts on manual transmission gear oil. I have a 59 GMC with a four speed manual transmission. In looking on line I understand GL-4 oils should be used rather than G-5 to avoid corrosive aspects of certain GL-5 oils. One apparent popular gear oil is Sta Lube gear oil, which is available at my local NAPA but it seems pretty pricy at $75.99 a gallon. https://www.napaonline.com/en/search?text=Sta%20lube%20&referer=v2Does anyone have other less pricy recommendations? Thanks for your help and guidance. | | |
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