Engine Compression
WARNING: This page is about a different car, the 1994 Mazda B3000 and 1994 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
- Warm engine to normal operating temperature. Remove all spark plugs. Disconnect ignition coil primary wire connector.
- Hold throttle plate fully open. Crank engine, and note compression pressure.
COMPRESSION RATIO
| Application | Specification |
|---|---|
| B2300 | 9.5:1 |
| B3000 | 9.0:1 |
COMPRESSION SPECIFICATIONS
| Application | Minimum psi (kg/cm2 ) @ RPM | Standard psi (kg/cm2 ) @ RPM |
|---|---|---|
| B2300 | 134 (9.3) @ 300 | 250 (17.3) @ 300 |
| B3000 | 134 (9.3) @ 300 | 250 (17.3) @ 300 |