fail safe id m22 rock crusher

  • Muncie four-speeds | Hemmings Motor News

    The Muncie four-speeds are a very popular transmission with Chevrolet muscle car ... transmission designated M22 and often referred to as the "rock-crusher," which was used ... Listed below is some spline-groove identification information:.

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  • Muncie 4 Speed Transmissions - 5Speed

    How to Identify Muncie 4 Speed Transmissions. ... of the gear train and less heat but created more noise, thus the nickname "rockcrusher". ... The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter.

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