Version: 16.12.2014 - Porsche 2015 911 GT3 Cup Technical Manual

Gear shift conditions
Observe the following handling conditions to ensure the correct operation of the gear-
shift system.
Example of how to read the diagram: Engaging the reverse gear
• No actuation of the shift paddle
• The throttle must be < 17% (neutral position)
• Pressing the clutch pedal is required
• REVERSE pushbutton on the steering wheel
• The reverse gear is engaged
Downshifting
A down shift is possible only in thrust condition. In addition, the following conditions
must be met: accelerator pedal = 0 % and the throttle position must be less than 20
%.
Up-shifting
R -> N N -> 1
Paddle/
Right Right
pushb.
Not Not
Throttle
actuated actuated
Clutch Actuated
Actuated
Double
de- -
clutching
Engine
-
speed
v vehicle -
System
>3,2 bar >3,2 bar
pressure
Functional testing at standstill:
When performing a functional test, the following conditions have to be met:
• Engine at standstill (neng = 0)
• Vehicle velocity < 5 km/h (3 mph)
Up-/down-shifting with and without clutch is possible.

Version: 16.12.2014

1 -> 6 6 -> 1
Right Left
>20% <20%
- -
- - Autom.
>3.000
- -
rpm
- - -
>3,2 bar >3,2 bar
Down-shifting
1 -> N N -> R
Reverse
Left
button
Not
<17%
actuated
Actuated Actuated
- -
<3.000
- rpm
<5 km/h
-
(3 mph)
>3,2 bar >3,2 bar
Powertrain
911 GT3 Cup (991)
MY 2015
55