« Reply #1 on: January 12, 2016, 07:28:12 PM »
Then you have a Corporate GM 12 bolt rear end. It will be a 8 and 7/8 inch ring gear on the inside with any number of options in gear ratios.
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1987 Chevy V-10 Silverado short bed, 350TBI, 700R4, NP208, 3.73's, 31's
2001 Dodge Ram 1500 Laramie Quad Cab 4x4 short bed, 5.9L V8, Auto, 5 inch lift, 35's, 4.56's