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Compression Specifications (6.9L)

COMPRESSION SPECIFICATIONS (6.9L)

Application Specification
Compression Ratio 20.7:1
Maximum Pressure Variation (1)
260 psi (18.3 kg/cm2 ) 195 psi (13.7 kg/cm2 )
280 psi (19.7 kg/cm2 ) 210 psi (14.8 kg/cm2 )
300 psi (21.0 kg/cm2 ) 225 psi (15.8 kg/cm2 )
320 psi (22.5 kg/cm2 ) 240 psi (16.9 kg/cm2 )
340 psi (23.9 kg/cm2 ) 255 psi (17.9 kg/cm2 )
360 psi (25.3 kg/cm2 ) 270 psi (18.9 kg/cm2 )
380 psi (26.7 kg/cm2 ) 285 psi (20.0 kg/cm2 )
400 psi (28.1 kg/cm2 ) 300 psi (21.0 kg/cm2 )
420 psi (29.5 kg/cm2 ) 315 psi (22.1 kg/cm2 )
440 psi (30.9 kg/cm2 ) 330 psi (23.2 kg/cm2 )
(1) Left column represents highest cylinder reading. Right column represents lowest cylinder reading.