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  1. Mike M95 ex cab4x4

    Gear Oil 80-90w or 75-90w?

    I have a 1995 K1500 5.7L ext cab. The owners manual calls for 80-90w gear oil in front and rear axle but I have read that 75-90w will improve gas mileage and it's better in cold weather. Has anyone used 75-90w in place of 80-90w without any issues? I plan on using Amsoil Severe Gear either way...
  2. Mike M95 ex cab4x4

    Northwest Ga / Chattanooga Tennessee

    Is there a group in NW Ga / Chattanooga area?
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