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rear diff

Discussion in 'General Chevy & GM Tech Questions' started by redNecKansas, Mar 8, 2013.

  1. redNecKansas

    redNecKansas New Member

    Ok guys ive got rpo codes of gt5 and g80. I do have lift kit an 33" tires. I am wondering if i should regear to a higher gear or not and wanna know opinions on if i should swap axles to a 2500 or HD axle. This is gunna be my project for the first part of the year.

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