Camshafts, Timing - Porsche 911 TURBO - 1989 Workshop Manual

Camshafts, timing
Type
Camshaft
Left SP No.
Camshaft
Right SP No.
Identification code
on the face end
of the camshaft
Left Right
Inlet valve stroke
at overlapping
TOC with 0.1 mm
valve clearance
Timing
with 1 mm
valve clearance
930/66 930 105 14301
930/68
From July930 105 143 03
1984
930 105 14201
930 143 01 930 14201
*0.65 -0.80
I. open 30 aft. TOG
I. close 3~ aft. BOG
Ex. open 270 bet BOG
Ex. close 50 bet.TOG
930 105 14203
930 143 03 930 14203
* Desirable setting 0.70
15- 3