Engine Compression
Check engine compression at normal operating temperature with all spark plugs removed. To prevent damage to catalytic converter, make tests quickly and only when necessary.
COMPRESSION SPECIFICATIONS (1)
| Application | Specification | |||
|---|---|---|---|---|
| Compression Ratio | ||||
| 900 Non-Turbo | 10.1:1 | |||
| 900 Turbo | 9.0:1 | |||
| 9000 Non-Turbo | 10.1:1 | |||
| 9000 Turbo | 8.5:1 | |||
|
||||