According to Paul Cangialosi, Muncie transmission historian, technician, and author of Muncie 4-Speed Transmissions: How to rebuild and modify, the Muncie four-speed transmission has its roots ...

In the last issue, we followed the complete disassembly of a used M20 Muncie four-speed manual transmission. After owner Brian Carson thoroughly washed all the major components and inspected the ...

The Muncie four-speed transmission has its roots back to 1935 and the U.S. patent number 3,088,336 along with an engineer named James W. Fodrea.