911 Carrera 4 Cabriolet (997) F6-3.6L (2006)
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Valve Clearance: Specifications
Valve clearance ..................................................................................................................................................... Hydraulic valve clearance compensation
Timing*: Inlet opens, large lift
997 ................................................................................................................................................................................................ 9° after top dead centre
997S ............................................................................................................................................................................................ 11° after top dead centre
Timing*: inlet closes, large lift
997 ........................................................................................................................................................................................ 61° after bottom dead centre
997S ...................................................................................................................................................................................... 59° after bottom dead centre
Timing*: inlet opens, small lift
997 .............................................................................................................................................................................................. 39° after top dead centre
997S ............................................................................................................................................................................................ 39° after top dead centre
Timing*: inlet closes, small lift
997 ........................................................................................................................................................................................ 19° after bottom dead centre
997S ...................................................................................................................................................................................... 19° after bottom dead centre
Timing*: outlet opens
997 ........................................................................................................................................................................................................... 50° before BDC
997S ......................................................................................................................................................................................................... 50° before BDC
Timing*: Outlet closes
997 ............................................................................................................................................................................................................. 4° before TDC
997S ........................................................................................................................................................................................................... 4° before TDC
*
Timing in late position with 1 mm valve lift and zero clearance