PCR Gear Tuner

Interactive gear calculator with exportable tunes. Tire diameter defaults to 22.96 in and is locked until you unlock it.

Common Inputs

Shift RPM (Before shift)

Target RPM after shift

Tire diameter (inches)

Unlock to edit tire diameter

Auto progression (geometric) ratio = after / before

Show comparison setup B A vs. B

Enable compatibility for other games Adds 7th-10th gears

Final drive

Final drive