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Engine Compression

ENGINE COMPRESSION SPECIFICATIONS

Application Specification
Normal Compression Pressure
2.0L 199 psi (14 kg/cm2 )
2.5L 199-227 psi (14-16 kg/cm2 )
6.5L (1)
6.6L 300 psi (21 kg/cm2 )
All Others (2)
Minimum Compression Pressure
2.0L 170 psi (12 kg/cm2 )
2.5L 185 psi (13 kg/cm2 )
6.5L (1)
6.6L 250 psi (18 kg/cm2 )
All Others (2)
(1) Lowest compression reading should not be less than 80 percent of highest compression reading. No cylinder compression reading should be less than 370 psi (27 kg/cm2 ).
(2) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (7 kg/cm2 ).