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6 speed automatic

  1. What, Where 6AT 6 Speed Automatic Swap?

    Go Faster
    So I was thinking about this since I have gotten my IS300 a couple months ago, and after watching a couple videos on YouTube of the "40 MPG Eco Corrvette" from LegitStreetCars. If I was to do get rid of the 5AT 5 Speed Auto E-Shift and Open 3.91 Diff. Would having 6 gears and 3.73 LSD make up...