While vehicles with an axle ratio of 3.55 and lower usually used a wide-ratio transmission. Several things are needed to identify a Muncie four-speed transmission correctly. One of the best ways ...

The M20 and M21 transmissions produced from 1963-'74 are easy to identify in both wide ... See All 22 Photos 3.The Muncie four-speed, like the T-10, is a side-loading transmission.

3. 21 represents the day of the ... the transmission is original to your car is most Muncie four-speed transmissions will have a Vehicle Identification Number (VIN) number stamped on the main ...