69 Z/28 Day II Project (Air Force Brat)

[big gear head]

I've had a M23Z in my car for a few years and just recently swapped it for a N24 with a slightly different set of gears. The M23 took a beating, and the Z gear set allowed me to easily pull away from a stop with 3.50 gears and 31 inch tires. The M23W might be worth looking into, or the M22W. These transmissions don't shift as easy as the original Muncie transmissions when driving around town. You don't just carelessly flick it into gear. You have to use just a little effort when shifting, but I never had any problems shifting at 7200 with my right foot on the floor.