The Muncie M22 "Rock Crusher" is one of the most well-known manual transmissions available in classic cars. Named after its place of origin (Muncie, Indiana), this four-speed is the final ...

If you've ever looked at a BorgWarner T-10 and a Muncie four-speed and gotten them mixed up, you are not alone because the Muncie (M20, M21, and M22) is a direct descendant of the T-10 according ...