FixVault

Engine Compression

Check compression with engine warm, all spark plugs removed and throttle wide open. Crank engine through at least 6 compression strokes per cylinder to determine engine compression.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
All Except Turbo 8.5:1
Turbo
2.2L 8.3:1
2.22L 7.8:1
Compression Pressure
All Except Turbo
Normal (New Engine) 123-174 psi (9-12 kg/cm2 )
Minimum 102 psi (7 kg/cm2 )
Turbo
Normal (New Engine) 102-131 psi (7-9 kg/cm2 )
Minimum 72 psi (5 kg/cm2 )
Max. Variation Between Cylinders
All Except Turbo 44 psi (3 kg/cm2 )
Turbo 28 psi (2 kg/cm2 )