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Old 08-09-2016, 02:07 AM   #6
swamp rat
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Join Date: Oct 2007
Location: Spanaway
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Re: Eaton HO72 rear axle

http://67-72chevytrucks.com/vboard/s...d.php?t=590959

2nd page post 26, lists a chart for 72., your code:
Prefix: RJJ, Model: KE20, ratio: 4:10N,
*N designation is No Spin.

There is still a good possibility this is an HO52 not a 72, some Ho52's utilized the same ring gear and load bolt, the brakes were however larger.
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Swamp Rat build thread :
http://67-72chevytrucks.com/vboard/s...d.php?t=595019

72 3/4T 4X4
4" BDS Lift
33" BFG's
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