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Home >> Dodge and Ram >> 1995 >> Caravan Base, 3.3 J >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications - 3.3L CNG >> Mechanical Checks >> Engine Compression
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Engine Compression

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

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 8.9:1
Minimum Compression Pressure 100 psi (690 kPa) at 130 RPM
Maximum Compression Variation Between Cylinders 25 Percent
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