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Home >> Porsche >> 1998 >> 911 Targa F6-3.6L SOHC >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> System Specifications >> Technical Specifications >> Dimension/Clearance Specifications >> Cylinder Head and Valves
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Cylinder Head and Valves

Cylinder Head
Cylinder Head Warpage Limit Maximum .0059

Valve Guides
Standard Inside Diameter 0.3546
Stem To Guide Clearance
Intake .0039-.0059
Exhaust .0039-.0079

Valve Seats
Seat Angle Degrees 45
Seat Width
Intake 2.0339-2.0346
Exhaust 1.7395-1.7402

Valves
Stem Diameter
Intake 0.353
Exhaust 0.353
Face Angle 45
Valve Spring Installed Height [01]

[01] -- Intake, 1.358 inch; exhaust, 1.3189 inch.

Camshaft
Camshaft Journal Diameter 1.847-1.848
Maximum Journal Run-out 0.0008
Camshaft Endplay .006-.008
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