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Thread: Speedometer gear and chart

  1. #1

    Array
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    Offline
    Join Date
    12-24-2014
    Posts
    24
    Location

    Southern Idaho
    Vehicle

    1983 Dodge Power Ram 50
    Engine

    Other

    Speedometer gear and chart

    So looking at the output side of the speedometer on the transfer case shows it to be the exact same style that Chrysler used from the 60s through the beginning of the 90s. Depending on your tire height and gear ratio tells you what tooth gear you need.

    My question is does anyone know a source for the Speedo gears and does someone have a chart for this that breaks it down?

  2. #2

    Array
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    Offline
    Join Date
    08-08-2015
    Posts
    255
    Location

    Los Angeles
    Vehicle

    1980 Plymouth Arrow Truck
    Engine

    G54B
    I have a 904 automatic and used this chart for my pinion gear. Very helpful for me. I would look on ebay under tranny pinion gear to that effect.

    Good luckClick image for larger version. 

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