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Drivetrain

Final Drive Ratio

The ring-and-pinion ratio multiplying torque before it reaches the wheels.

Definition

Shorter ratios (numerically higher) improve acceleration but raise cruising rpm.

Final drive swaps are common on track-focused builds.

Related terms

  • TransmissionThe gearbox selecting gear ratios between engine and drive wheels.
  • ClutchA friction device connecting and disconnecting engine power to the transmission.
  • DifferentialA gearbox allowing drive wheels to rotate at different speeds while turning.
  • DriveshaftA rotating shaft transmitting torque from transmission to differential in RWD an
  • Limited-Slip DifferentialA differential that limits speed difference between left and right wheels under
  • Torque ConverterA fluid coupling in automatic transmissions multiplying torque at low speed.

Category: Drivetrain · Updated August 31, 2026