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Home >> GMC Truck >> 1991 >> Suburban 1/2 Ton 2WD V8-379 6.2L DSL >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications

Compression Check: Specifications

Compression Pressure

Pressure	Engine Speed
380-400 psi	200 rpm (min)

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