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differntial controller

  1. Smart-trak awd, drivetrain controller?

    Transmission Mods
    Any body have any insight on how the Smart-trak awd system works? Any idea on an awd/4wd controller? Well, my idea is very similar to what is used on awd vehicles such as the nissan skyline,mitsubishi evo,and wrx impreza sti..... All of which have variable differntial controllers.... I have...
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