911 Turbo Coupe F6-3299cc 3.3L SOHC Turbo (1988)
Installed Distances:
Intake valve 34.5 ± 0.3 mm
Exhaust valve 34.5 ± 0.3 mm
Installing Valve Springs
Outer valve springs are wound progressively. Small diameter end of springs rests on cylinder head. Installed position of inner valve springs is not
important.