One of the most popular drivetrain mods done to early Mustangs is to swap out the non-overdriven three- and four-speed transmissions with the later-model overdrive T-5 five-speed. Not only does the ...

If you hang around on nerdy automotive forums, as all of us enthusiasts tend to do, you'll eventually end up in a discussion where people discuss the merits of four-, five-, and six-speed manual ...