Manual, LSD, Sports Chrono Turbo, PCCB.
BTW, to achive 3.7s with TIP you should rev it up tp 6000rpm while holding brake pedal and then release it as fast as possible...
One other hint-if TIP is so superior why is Porsche offering LSD only for manual(TIP gearbox is sooo big)??
Quote from Turbo press release: "The manual gearbox version of the new 911 Turbo is available with an optional mechanical limited-slip rear differential. Key benefits include greater rear-end traction when exiting hairpin bends as well as on variable-grip surfaces. It also compensates for changes in wheel loads caused by throttle modulation when cornering."