911 Carrera 2 Coupe F6-3600cc 3.6L SOHC (1990)
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.