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  1. Carrier type and rear end gearing questions

    Transmission & Drive line
    I have a 1987 El Camino with factory installed auto+overdrive trans and 2.73 gears in a posi rear end. I'm the second owner of the car, and know for sure that all of the driveline components are still original. I want to upgrade to 3.42 gears... but am confused about what carrier type I...
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