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| | | Forums66 Topics128,190 Posts1,057,339 Members48,469 | | 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: May 2014 Posts: 4 New Guy | | New Guy Joined: May 2014 Posts: 4 | I am trying to determine what rear end I have in my truck.
The ring/pinion carrier is casting 3766686 - does anyone know what year/model truck it fits?
thanks | | | | | Joined: Jun 2012 Posts: 197 Shop Shark | | Shop Shark Joined: Jun 2012 Posts: 197 | Google turns this up: http://67-72chevytrucks.com/vboard/showthread.php?t=177141If that looks like yours, you have an Eaton rear. Not sure how to decode the numbers, but the Eaton HO52/HO72 was used from 1947 to 1972.
Some of my crap: 1963 C-30 flatbed dually 292/SM420 1965 C-10 LWB fleet 250/column shift 3 speed 1965 C-30 9' stepside 250/SM420/4.10 gears (my DD) Website I made for my crap: http://www.66submarine.com | | |
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