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1999
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Century Custom
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Engine Performance
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Specifications
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Engine Adjustments
Engine Adjustments
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Engine Mechanical
Valve Clearance
Ignition Timing
Idle Speed & Mixture
Notes
4-Cylinder Idle Speed
Notes
1.9L
2.2L & 2.4L
V6 Idle Speed
Notes
3.1L, 3.4L, 3.5L, 3.8L & 4.0L
V8 Idle Speed (Except Corvette)
Notes
Automatic Transmission
Manual Transmission
Throttle Position (TP) Sensor
Notes
TP Sensor Learn (4.0L & 4.6L)