how tell m22 rock crusher transmission

Muncie 4-speed Transmission (Group 4.000)- how tell m22 rock crusher transmission ,Muncie 4-speed Transmission ... the same one way to tell them ... ratio transmission coded M22 and known as the "rock crusher," which was used behind performance ...Muncie Identification | The H.A.M.B. · Muncie Identification. ... and the M22(rock crusher). ... and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission. ...