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Home >> Porsche >> 1989 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Specifications >> Mechanical Checks >> Valve Clearance

Valve Clearance

Adjust valve clearance to specification with engine cold. Adjust valves in sequence, using cylinder firing order. Marks for TDC of each cylinder are found 120 degrees apart on crankshaft pulley.

VALVE CLEARANCE SPECIFICATIONS

Application In. (mm)
Intake & Exhaust (Cold) .004 (.10)