gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Valve Clearance > < Number 1 Cylinder Location
Page 1
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Compression Check: Specifications
Compression Pressure

Compression Pressure 

Pressure

Engine Speed 

   

  

 

380-400 psi 200 rpm (min) 

   

  

 

Valve Clearance > < Number 1 Cylinder Location