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08-22-2014, 06:34 AM
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Registered User
 Join Date: Apr 2014
Location: Waterford MI
Posts: 155
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72 rear axle ratio question
Hi Guys
My truck has a 72 frame and components, took the rear axle cover off to find the gear ratio. It appears to be a 4:11. This is a part number off the ring and pinion. part number is #381778 11:4 GM Seems that a 1/2 ton two wheel drive long box would come with a 3:73 rear end. Mike |
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