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Compression Check|Specifications|Page 3263 > < Spark Plug|Specifications|Page 3259

Sierra Classic 2500 4WD V8-6.0L (2007)

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Compression Check: Specifications

The minimum compression in any 1 cylinder should not be less than 70 percent of the highest cylinder. No cylinder should read less than 690 kPa (100
psi).

Compression Check|Specifications|Page 3263 > < Spark Plug|Specifications|Page 3259