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Home >> GMC >> 1998 >> Forward Control 5.7 R, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - Specifications - 6.5L Turbo Diesel) >> Mechanical Checks >> Engine Compression
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Engine Compression

WARNING: This page is about a different variant/trim than selected.
COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 21.3:1
Normal Compression Pressure (1)
Minimum Compression Pressure (1)
(1) Lowest compression reading should not be less than 80 percent of highest compression reading. No cylinder compression reading should be less than 380 psi 27 kg/cm2 ).
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