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Home >> GMC >> 1998 >> Forward Control 4.3 W, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls - Specifications - 5.7L) >> Mechanical Checks >> Engine Compression

Engine Compression

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COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.4:1
Normal Compression Pressure (1)
Minimum Compression Pressure (1)
(1) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi 7 kg/cm2 ).
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