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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 "Puffs" per cylinder.

COMPRESSION SPECIFICATIONS

Compression Ratio
  924 9.0:1
  924 Turbo 8.0:1
  944 9.5:1
Compression Pressure
  924
    Normal (New Engine) 114-156 psi (8-11 kg/cm2 )
    Minimum 85 psi (6 kg/cm2 )
    Maximum Variation 42 psi (3 kg/cm2 )
  All Other Models (1)
(1) Information not available from manufacturer.
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