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Home >> Jaguar >> 1989 >> XJ6 Base >> Repair and Diagnosis >> Engine Performance >> Specifications >> Mechanical Checks >> Engine Compression

Engine Compression

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COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.6:1
Compression Pressure 160-170 (11.2-11.9 kg/cm2 )
Maximum Variation Between Cylinders 10 psi (.70 kg/cm2 )
(1) Minimum cranking speed is 300 RPM.
COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio N/A
Compression Pressure 225 psi (15.8 kg/cm2 )
Maximum Variation Between Cylinders 35 psi (2.4 kg/cm2 )
(1) Minimum cranking speed is 300 RPM.