This article contains the history of the Muncie 4-speed transmission, in what applications it was used, and how they're used today.

How to update your '56-'62 corvette with an aluminum muncie 4-speed By Michael Smith The illustration at left is a blown-up view of the bottom drawing, showing ...

This was the case with the Muncie M-21 4-speed that backed up the subject engine of HOT ROD's "How To Rebuild Your First Engine" series (see December '80, January '81 and February '81 issues).