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Home >> Porsche >> 1984 >> 944 Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Testing >> Engine Compression

Engine Compression

Check compression with engine at normal operating temperature, fully open throttle, all spark plugs removed and at normal cranking speed. Crank engine at least 12 revolutions per cylinder.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.5:1
Compression Pressure 145 psi (10 kg/cm2 )
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