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| | | Forums66 Topics128,047 Posts1,055,538 Members48,424 | | 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: Mar 2006 Posts: 32 'Bolter | | 'Bolter Joined: Mar 2006 Posts: 32 | I have a GM 12 bolt 8.875 on my 49 1/2 ton. Current gear ratio is 3.73. Looking to change to 3.90. Does anyone know where to get a truck gear set that is 3.90. I see a lot for cars, but none for trucks. | | |
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