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Home >> Subaru >> 1984 >> DL 2D Hatchback >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Testing >> Compression Pressure

Compression Pressure

Check pressure with engine warm, plugs removed, throttle valve wide open and engine at cranking speed.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
1.6L 9.0:1
1.8L 8.7:1
1.8L Turbo 7.7:1
Compression Pressure
1.6L 175 psi (12.3 kg/cm2 )
1.8L 171 psi (12.0 kg/cm2 )
1.8L Turbo 156 psi (11.0 kg/cm2 )
Minimum Compression Pressure
1.8L Turbo 117 psi (8.2 kg/cm2 )
Other Models 128 psi (9.0 kg/cm2 )
Max. Variation 28 psi (2.0 kg/cm2 )