2012 911 Section 1-1 11/3/11 10:06 AM Page 3
911 Carrera 911 Carrera S
1 Engine
1.1 General Two different engines are available for the 911 Carrera (991). The standard models come with an engine where the displacement has been reduced (to 3.4 liters from
Engine
the previous 3.6 liters) but the high torque of the previous engine has been retained and the power increased further. This has been made possible by increasing the
1
nominal rpm from 6,500 rpm to 7,400 rpm.
The S models still come with a 3.8-liter engine. Here the power has been increased by 15 hp to 400 hp (294 kW). As with the 3.4-liter engine, the nominal rpm have been increased to 7,400 rpm (+ 900 rpm) and the maximum engine speed has been increased to 7,800 rpm (+ 300 rpm). The maximum torque is now 440 Nm
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(+ 20 Nm).
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On the following pages you will find details of the technical data, followed by a description of the changes to the individual components of the engine compared with the 2nd generation 997.
General
3
Technical data
4
Belt drive
6
Crankcase
6
Piston
6
Camshafts
6
Camshaft adjuster
7
Engine oil circuit
7
Cooling system
10
3
