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Home >> GMC >> 1994 >> Jimmy 4D Utility, 4.3 Z, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Mechanical Checks >> Engine Compression

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Engine Compression

COMPRESSION SPECIFICATIONS

Application	Compression Ratio
2.2L	8.85:1
4.3L	9.05:1

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