Porsche 911 GT3 Cup 2008, Техническое руководство

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3
Valve timing
Inlet valve diameter (mm) 41
Inlet valve lift (mm) 12.5
Exhaust valve diameter (mm) 35.5
Exhaust valve lift (mm) 11.1
Maximum inlet valve lift 105° after TDC
Maximum exhaust valve lift 115° before TDC
Camshaft adjustment:
Set the camshaft timing with the camshaft timing and adjustment
tools.
Camshafts:
Inlet valve camshaft: Engine M 97/75 race component
Exhaust valve camshaft 911 GT3 RS
Camshaft housing:
Engine M 97/75 modified 911 GT3 RS production component
Piston/cylinder:
Piston clearance 0.02 – 0.05 mm
Crankcase:
Crankshaft: The two-piece aluminium alloy crankcase is a production
911 GT3 RS component. The forged crankshaft has 8 bearings.
Crankshaft bearings:
The crankshaft bearings are the same as those used in the 911GT3 RS
engine.
Notice:
The term 911 GT 3 RS refers to the production car version.