Gearing

Discussion in 'Technical Discussions' started by Quitefawn813228, Sep 10, 2019.

  1. Quitefawn813228

    Quitefawn813228 New Member

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    Sep 10, 2019
    Have an 04 tahoe has 3.43 gears in it now but I want to maybe put 2.73 gears in it only doe to fact I do a large amount of highway driving but I'm not sure how the speedo gets its readings if its through the abs or it has a sensor on the tail shaft of the trans this is 2wd any help ....helps