porsche Workshop Repair Guides

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Valve Seat|Testing and Inspection > < Engine - Machining Valve Seats, Checking Valve Guides
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Valve Seat: Specifications

 

Intake Seat Width

1.5 mm 

   

  

 

Exhaust Seat Width

1.8 mm 

   

  

 

Seat Angle

45 deg 

   

  

 

Outer Correction Angle

30 deg 

   

  

 

Inner Correction Angle

60 deg 

   

  

 

Valve Seat|Testing and Inspection > < Engine - Machining Valve Seats, Checking Valve Guides