gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Camshaft, Lifters and Push Rods > < Instruments - Tachometer Accuracy|Page 1920
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Compression Check: Specifications
Compression Pressure

Compression Pressure 

Pressure

Engine Speed 

   

  

 

380-400 psi 200 rpm (min) 

   

  

 

Camshaft, Lifters and Push Rods > < Instruments - Tachometer Accuracy|Page 1920