A classic automotive configuration featuring a four-speed manual gearbox operated by a shift lever mounted directly on the transmission tunnel or floorboard. This setup became a hallmark of muscle cars and performance vehicles, distinguishing them from standard models that used column-mounted shifters.
Heard on the job
He swapped out the old automatic for a Muncie rock crusher, so now it's a true four-on-the-floor.
Related terms
Manual transmission
A gearbox requiring the driver to manually select gear ratios using a shift lever and a clutch.
Three-on-the-tree
A three-speed manual transmission operated by a shift lever mounted on the steering column.
Gear shift
The lever and linkage assembly used by a driver to select transmission ratios.