While the Muncie M20 transmissions were wide-ratio options, the M21 and M22 had closer ratios, albeit with different gearing.
In this video, expert Ed Smith shares his in-depth insights on transforming the MUNCIE M20 transmission into a Rock Crusher. He walks through the process, highlighting key modifications, performance ...
Upgrades & Features Muncie M20 4-speed manual transmission included 12-bolt posi rear end with 3.31 gears, rebuilt with new stronger axles Ididit steering column adapted by previous owner 4-wheel disc ...