Engine Compression

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Check engine compression with engine at normal operating temperature at specified cranking speed with fully charged battery, all spark plugs removed and throttle wide open.

COMPRESSION SPECIFICATIONS

Application		Specification
Compression Ratio
Non-Turbo		9.2:1
Turbo		8.4:1
Normal Compression Pressure
Non-Turbo		171 psi (12.0 kg/cm² )
Turbo		142 psi (10.0 kg/cm² )
Minimum Compression Pressure		128 psi (9.0 kg/cm² )
Maximum Variation Between Cylinders		14 psi (1.0 kg/cm² )