Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo, Regal 2001-2005

Gasoline Engine Tune-Up Specifications

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ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
              In.Ex.
20013.1M0.060-41-47-HYDHYD
  3.1J0.060-41-47-HYDHYD
  3.4E0.045-41-47-HYDHYD
  3.5H0.050-41-47-HYDHYD
  3.810.060-41-47-HYDHYD
  3.8K0.060-41-47-HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Distributorless Ignition System (DIS) timing is not adjustable
3- Idle speed is maintained by the Engine Control Module (ECM). There is no recommended adjustment procedure.
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
              In.Ex.
20023.1M0.060-41-47-HYDHYD
  3.1J0.060-41-47-HYDHYD
  3.4E0.045-41-47-HYDHYD
  3.5H0.050-41-47-HYDHYD
  3.810.060-41-47-HYDHYD
  3.8K0.060-41-47-HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Distributorless Ignition System (DIS) timing is not adjustable
3- Idle speed is maintained by the Engine Control Module (ECM). There is no recommended adjustment procedure.
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
              In.Ex.
20033.1M0.060-41-47-HYDHYD
  3.1J0.060-41-47-HYDHYD
  3.4E0.045-41-47-HYDHYD
  3.810.060-41-47-HYDHYD
  3.8K0.060-41-47-HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Distributorless Ignition System (DIS) timing is not adjustable
3- Idle speed is maintained by the Engine Control Module (ECM). There is no recommended adjustment procedure.
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
              In.Ex.
20043.1J0.060-41-47-HYDHYD
  3.4E0.060-41-47-HYDHYD
  3.810.060-41-47-HYDHYD
  3.820.060-41-47-HYDHYD
  3.840.060-41-47-HYDHYD
  3.8K0.060-41-47-HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Distributorless Ignition System (DIS) timing is not adjustable
3- Idle speed is maintained by the Engine Control Module (ECM). There is no recommended adjustment procedure.
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement LitersEngine VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
              In.Ex.
20053.1J0.060-52-59-HYDHYD
  3.4E0.060-52-59-HYDHYD
  3.810.060-53-59-HYDHYD
  3.820.060-56-62-HYDHYD
  3.840.060-56-62-HYDHYD
  3.8K0.060-53-59-HYDHYD
  5.3C0.04-55-62-HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Distributorless Ignition System (DIS) timing is not adjustable
3- Idle speed is maintained by the Engine Control Module (ECM). There is no recommended adjustment procedure.
ENGINE TUNE-UP SPECIFICATIONS
YearEngine Displacement Liters (cc)Engine ID/VINSpark Plug Gap (in.)Ignition Timing (deg.)Fuel Pump (psi)Idle Speed (rmp)Valve Clearance (in.)
              In.Ex.
2001-023.1 (3130)M0.060-41-47-HYDHYD
  3.1 (3130)J0.060-41-47-HYDHYD
  3.4 (3393)E0.045-41-47-HYDHYD
  3.5 (3475)H0.050-41-47-HYDHYD
  3.8 (3785)10.060-41-47-HYDHYD
  3.8 (3785)K0.060-41-47-HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production. The label figures must be used if they differ from those in this chart.
2A Distributorless Ignition System (DIS) timing is not adjustable
3B Idle speed is maintained by the Engine Control Module (ECM). There is no recommended adjustment procedure.
ENGINE TUNE-UP SPECIFICATIONS
YearEngine VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance (in.)
              In.Ex.
2005E3.40.06052-59--HYDHYD
  13.80.06053-59--HYDHYD
  23.80.06056-62--HYDHYD
  43.80.06056-62--HYDHYD
  K3.80.06053-59--HYDHYD
  C5.30.0455-62--HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Distributorless Ignition System (DIS) timing is not adjustable
3- Idle speed is maintained by the Engine Control Module (ECM). There is no recommended adjustment procedure.
 
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