2012 Porsche 911 7-Speed Manual transmission
Sep.11, 2011 in
Autos
kn6to asked: www.porsche.com The design of this manual gearbox is based in principle on that of Porsche Doppelkupplung (PDK). Gears 1 to 6 have a sports ratio and top speed is reached in 6th gear. The additional 7th gear, however, has a long ratio, which reduces torque and helps to reduce fuel consumption. Lower engine [...]




