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Home >> GMC >> 1987 >> Jimmy Full Size V8-379 6.2L DSL >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications
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Compression Check: Specifications

2068 kPa (300 psi).
Perform compression test with engine at normal operating temperature, glow plugs removed and throttle wide open.
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