Engine Compression
WARNING: This page is about a different car, the 1994 Mazda RX-7. 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 |
| RX7 |
9.0:1 |
COMPRESSION SPECIFICATIONS
| Application |
Minimum psi (kg/cm2
) @ RPM |
Standard psi (kg/cm2
) @ RPM |
| RX7 |
100 (7.0) @ 250 |
|