Stick-Shift Speed: How Manual Transmissions Win in the Sixes
Manual-transmission drag cars achieve six-second runs by controlled clutch slip—via adjustable clutches and slipper/slider designs that meter power delivery as RPM rises—giving traction and durability comparable to automatics; examples include Grannas Racing's Supra moving from 7.68 to 6.90 seconds and a 6.61-second Camaro.