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Mechanical Inspection: Compression

Check engine mechanical condition with a compression gauge, vacuum gauge, or an engine analyzer. See engine analyzer manual for specific instructions. To check engine compression with a compression gauge, bring engine to normal operating temperature.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 10.4:1
Compression Pressure 178 psi (12.5 kg/cm2 )
Minimum Compression Pressure 142 psi (10.0 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
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