Jim bailey - 928 International

All the Porsche slips since about 1985 only do 40% maximum for acceleration. The PSD being a smart system goes from 100% to 0% "infractions of a second in infinite steps as required".The pump operates between 140 and 180 Bar (2,600 PSI) . "Transverse rear differential lock is employed to reduce the danger of oversteering when the ferraria effect occurs in a curve"........accelerator pedal released in a curve. It calculates wheel speed ,wheel acceleration,wheel deceleration,mean axle speed(difference in speed front to rear,mean speed of car sides(difference in speed right to left side for identification of curve) and has input from brake light switch, ABS regulator, and transverse vehicle acceleration( sensor under the drivers seat )......