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Old 08-23-2016, 03:45 PM   #6
Bigdav160
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Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
Re: Single leg to a Posi unit ?

Most newer GM trucks use the 3.42:1 rear axle gear. It's fine for general use and stock diameter tires. It's not idea for towing, or large diameter tires.
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