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  1. SlowHoe

    Black Bear Tune on 4X4 Tahoe?

    I have a 2002 Tahoe 4X4 and it falls flat on its face after 60. I've been told it has 3.73 gears because that's the only ratio that comes with a 4X4 and I've been thinking about doing the black bear tune. How much will it wake it up?
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