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Mod | | | Forums66 Topics128,183 Posts1,057,264 Members48,467 | | 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 was wondering if anyone has a guide to tell me the rear end gear ratio of a 1965 Chevy 1/2 ton? The vin # is C1545F150363. I emailed the GM Heritage Museum and they only went back to 1977. I know the 3.73 was common to this truck, but the vin # decoders out there do not list rear end specs. | | | | | Joined: Jun 2012 Posts: 1,749 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 1,749 | Try this link: http://67-72chevytrucks.com/vboard/showthread.php?t=327764You will need to identify the rear end cause there were a lot of options. And..who knows what has been changed and what still remains. Scroll down to the 65 data sheet for details.
Steve H
| | | | | Joined: Jan 2000 Posts: 2,074 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 2,074 | If you can jack up the truck, rotate both wheels one turn while couning revolutions of the drive shaft, you can get close to ratio.
My '65 ratio has been changed so factory numbers were no help.
Best of luck. | | |
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