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BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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| | | Forums66 Topics126,776 Posts1,039,259 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | 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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