Engine Compression
Warm engine to normal operating temperature. Remove sensing resistor, glow plug connectors, glow plugs and fuel cut solenoid connector. Disconnect fusible link wire of "Quick Start" system at harness connector. Install compression gauge adapter (J-29762) and compression gauge. Operate starter and read compression at 300 RPM.
COMPRESSION SPECIFICATIONS
| Compression Ratio | 22:1 | ||
| Compression Pressure | |||
| Normal (New Engine) | 441 psi (31 kg/cm2 ) | ||
| Minimum | |||
| I-Mark | 370 psi (26 kg/cm2 ) | ||
| P'UP | 398 psi (28 kg/cm2 ) | ||