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Home >> Ford >> 1988 >> Bronco 5.0 N, Standard, M5OD-R2 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - 6-CYL >> Testing >> Engine Compression
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Engine Compression

Test compression with engine at normal operating temperature, all spark plugs removed and carburetor throttle in wide open position. Crank engine through at least 5 compression strokes before recording reading.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 8.8:1
Max. Variation Between Cylinders Less than 25%