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Engine Compression

COMPRESSION RATIO

Application Compression Ratio
4.3L (VIN W) 9.2:1
5.0L (VIN M) 9.4:1
5.7L (VIN R) 9.4:1
6.5L Diesel Turbo Diesel (VIN F, P & S) 21.5:1
7.4L (VIN J) 9.0:1