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Old 08-30-2012, 09:32 AM
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The 8.2 has a 1 1/8 inch pinion nut and the 8.5 has a 1 1/4 inch pinion nut. The 8.5 has some square corners on the bottom of the casting in the 5 and 7 o'clock positions that can be easily seen from the rear of the car.
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