911 Turbo Coupe F6-3299cc 3.3L SOHC Turbo (1988)
Cylinder Designation
Adjusting
1. Remove hot air ducts between fan and heat exchangers as well as cover for camshaft housing.
2. If adjustments are started with cylinder no.1 turn crankshaft on pulley clockwise until both valves of cylinder are closed (valves of cylinder no.4
overlap) and TDC mark (Z1) on pulley is aligned with joint of crankcase or stripe on fan housing.