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Convert TH 350 to TH 700R4

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by ParisDude, Aug 7, 2009.

  1. ParisDude

    ParisDude Rockstar

    Has anyone done this mod on a Chevy Silverado or other Chevy truck? I'm interested in improving fuel mileage without sacrificing performance. Any comments would be helfpful.

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