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Engine Compression Subaru XT I

Check compression pressure with engine at normal operating temperature, all spark plugs removed, throttle valves wide open and at specified cranking speed (350 RPM).

ApplicationSpecification
Compression Ratio9.5:1
Compression Pressure
Normal168 psi (11.8 kg/cm
Minimum139 psi (9.8 kg/cm
Maximum Variation Between Cylinders28 psi (2.0 kg/cm

6-CYLINDER COMPRESSION SPECIFICATIONS