Engine – Cayenne V8
Page 1.15
1 - Engine M 48.01/51
General
Completely new engines have been developed for the Cayenne S and
Cayenne Turbo for the 2008 model year.
The main development aims were:
• More power and torque, while at the same time,
• Improving fuel economy and,
• Reducing the weight of the engine compared to previous engines.
These development aims have essentially been achieved due to
the following enhancements and new technologies:
• Larger displacement
• Direct fuel injection (DFI)
• Sport button as standard
• VarioCam Plus
• Demand controlled oil pump
Contents
V8
General . . . . . . . . . . . . . . . . . . . . . . . .15
Cayenne S Engine Data . . . . . . . . . . . .16
Cayenne Turbo Engine Data . . . . . . . . .17
Crankcase . . . . . . . . . . . . . . . . . . . . . .18
Crankshaft . . . . . . . . . . . . . . . . . . . . . .19
Torsional Vibration Balancer . . . . . . . . .20
Connecting Rods . . . . . . . . . . . . . . . . .20
Pistons . . . . . . . . . . . . . . . . . . . . . . . .20
Cylinder Head . . . . . . . . . . . . . . . . . . .21
Valves, Valve Springs . . . . . . . . . . . . . .27
Vacuum Pump . . . . . . . . . . . . . . . . . . .27
Timing Drive . . . . . . . . . . . . . . . . . . . .28
Belt Drive . . . . . . . . . . . . . . . . . . . . . .29
Oil Lubrication System . . . . . . . . . . . . .30
Cayenne S Cooling System . . . . . . . . . .36
Cayenne Turbo Cooling System . . . . . . .37
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