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| | | Forums66 Topics128,122 Posts1,056,332 Members48,439 | | 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 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | There were no 3.90's made for the 3/4 ton Eaton axle. There were a very, very few models that had a 4.11. Been lookin' for over a year and haven't had one single bite.
Where there is a demand there should be a supplier. I can't for the life of me figure out why one of the gear grinders hasn't set up for one that will fit the 3600 AD's. I don't know anyone that has a 3/4 ton that doesn't want to go with a higher gear than the 4.57. Oh, maybe there are a couple but that would be 1 out of 10,000.
Good luck!
Denny Graham
Sandwich, IL
Denny G
Sandwich, IL
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