FixVault

Engine Compression

Check compression with engine at normal operating temperature, all spark plugs removed, throttle valve wide open and at normal cranking speed (250-300 RPM). Crank engine at least 6 "puffs" per cylinder.

COMPRESSION SPECIFICATIONS

Application Specification
Compession Ratio - Non-Turbo
Manual Transmission 9.5:1
Automatic Transmission 10.3:1
Compression Pressure - Non-Turbo 128-156 psi (9-11 kg/cm2 )