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Engine Compression

Check compression with engine at normal operating temperature, all spark plugs removed, throttle valve wide open and at normal cranking speed (250-300 RPM). Crank engine at least 6 "puffs" per cylinder.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
Turbo 7.5:1
Non-Turbo 10.3:1
Compression Pressure
Turbo N/A
Non-Turbo 128-156 psi (9-11 kg/cm2 )