Gearbox; Technical Data Gearbox - Porsche 2012 911 GT3 CUP Technical Manual

5. Gearbox

5.1.

Technical data gearbox

The six-speed sequential gearbox fitted to the 911 GT3 Cup is equipped
with a limited slip differential, oil filter and a water / oil heat-exchanger for
cooling purposes.
Gearbox type
Design
Number of gears
Standard delivery ratio set*
Crown wheel & pinion
st
1 gear
nd
2 gear
rd
3 gear
th
4 gear
th
5 gear
th
6 gear
Lubrication
Lubricant
Oil capacity when new
Oil to refill after ratio change
Limited slip differential
Locking value, drive
Locking value, overrun
G 97/63
Sequential
6
8/32 4.000
12/38 3.167
15/32 2.133
18/31 1.722
20/28 1.400
23/26 1.130
29/27 0.931
Gearbox mounted oil pump
Oil – water heat-exchanger
Mobil 'Mobilube' SHC
3.6 l
3.0 l
37 % (dynamic)
52 % (dynamic)
46