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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!
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#54365 01/03/2006 1:52 PM | Joined: Sep 2003 Posts: 343 Member | | Member Joined: Sep 2003 Posts: 343 | Stewart, The old one is the darker one, but I agree that this one is in quite good condition. The other old synchro (3rd-4th) is quite worn though. I can safely say that my SM420 has never seen and GL-5 gear lube, since the muddy-brown gear oil that was in this trany looks like it has been in there long before GL-5 was introduced.
Thanks. Jim
1954 GMC 1/2-ton Longbed
1971 Pontiac LeMans Sport
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