Tune-Up Notes
NOTE:
In order to comply with emission standards, specifications shown on engine compartment emission control tune-up decal must be used in all instances.
CAUTION:
When performing tune-up on vehicles equipped with catalytic converters, do not allow or create a condition of engine misfire in more than one cylinder for an extended period of time. Damage to converter may occur due to loading converter with unburned air/fuel mixture.
CAUTION:
On vehicles equipped with catalytic converters, do not add fuel system cleaning agents to fuel tank or carburetor as their use may be detrimental to the catalytic converter.
CAUTION:
Before making a compression test or cranking engine using a remote starting switch, disconnect coil wire from distributor and secure to a good ground.
ENGINE COMPRESSION
| Compression | Ratio |
| 5.2L V8 | 8.6:1 |
| Compression Pressure | 100 psi Minimum |
| Max. Variation Between Cylinders | 40 psi |
Check compression pressure with engine at normal operating temperature, all spark plugs removed, throttle valve wide open and engine at cranking speed.
VALVE CLEARANCE
| Hydraulic Lifters | Zero Lash |