the rear axle I got is a eaton 17221 which you can still get parts for. Honestly the gear ratio in this axle is perfect for what I want which is a truck that will pull anything but still be able to do decent highway speeds so the 9.17/6.50 low/high is great after I swapped the rear axle I did move the truck around some and it would just idle no gas in first and reverse even starting off. I also pulled a tree over until one of the forks in the tree got caught on another tree and it was just digging a hole in second low.
1967 Chevy c50 327 w/ sm465 5000Ib front 15k 2 speed rear w/ 22k springs, single axle, hydraulic brakes
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