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Impreza Outback
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Engine Compression
Engine Compression
COMPRESSION SPECIFICATIONS
Application
Specification
Compression Ratio
1.8L
9.7:1
2.2L
9.7:1
Compression Pressure
(1)
(2)
156-185 psi (11.0-13.0 kg/cm
2
)
(1)
Engine cranking at 200-300 RPM.
(2)
Maximum variation between cylinders is 28 psi (2.0 kg/cm
2
).