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Home >> Ford >> 1994 >> Aspire Base, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications >> Mechanical Checks >> Engine Compression

Engine Compression

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Measure engine compression at speed with engine at normal operating temperature, all spark plugs removed, and throttle wide open.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.7:1
Compression Pressure (1)
(1) Lowest cylinder compression reading should not be less than 75 percent of highest cylinder compression reading.
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