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Home >> Subaru >> 1982 >> GL 2D Hatchback, 1.8L Eng VIN 5 >> Repair and Diagnosis >> Engine Performance >> Specifications >> Tune-Up - 4 CYL >> Compression Pressure
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Compression Pressure

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

COMPRESSION SPECIFICATIONS

Compression Ratio 9.0:1
Compression Pressure
  1600 175 psi (12.3 kg/cm2 )
  1800 171 psi (12.0 kg/cm2 )
Max. Variation 7 psi (.5 kg/cm2 )