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Home >> Cadillac >> 1989 >> Allante 440T4/ME9 >> Repair and Diagnosis >> Engine Performance >> Service & Adjustment Specifications >> Mechanical Checks >> Engine Compression
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Engine Compression

NOTE: Engine compression pressure is checked at cranking speed with throttle open.
ENGINE COMPRESSION SPECIFICATIONS

Application Specification
Normal Compression Pressure 140-165 psi
Compression Ratio 9:1
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