FixVault

Engine Compression

Using a remote starting switch, disconnect coil wire from distributor and secure to a proper ground. Check the compression pressure at cranking speed with engine warm, spark plugs removed and throttle valve wide open. See COMPRESSION SPECIFICATIONS  table.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
2.2L 9.5:1
2.5L 8.9:1
Compression Pressure (1) 100 psi (7.03 kg/cm2 )
Max. Variation Between Cylinders 25%
(1) Minimum service limit compression.