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Old 12-08-2007, 01:18 PM   #5 (permalink)
Travisfab
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Join Date: Dec 2006
Location: San Diego
Posts: 237
Some info from Pirate:

-2wd v6 & turbo & 1 ton models have a 8" diffs, All other 2wd's have 7 1/2" diff.
-7 1/2" diffs use 27 spline axles.
-7 1/2" diffs are approximatly 8 5/8" from mounting surface of the diff to the mounting surface of the driveshaft flange.

-8" diffs are 30 spline axles.
-8" diffs are approximatly 9 3/8" from mounting surface of the diff to the mounting surface of the driveshaft flange.
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