Engine Compression
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1992 Pontiac Firebird, 1992 Oldsmobile Custom Cruiser, 1992 Chevrolet Corvette, 1992 Chevrolet Caprice, and 1992 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application | Specification | ||||
|---|---|---|---|---|---|
| Compression Ratio | |||||
| 4.9L | 9.5:1 | ||||
| 5.0L | 9.1:1 | ||||
| 5.7L | |||||
| VIN P | 10.5:1 | ||||
| VIN 7 | 9.1:1 | ||||
| VIN 8 | 9.8:1 | ||||
| Normal Compression Pressure | (1) | ||||
| Minimum Compression Pressure | (1) | ||||
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