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Ignition System Specifications
Application
Specification
Metric
English
Firing Order
1-6-5-4-3-2
Spark Plug Gap
1.52 mm
0.060 in
Spark Plug Torque
15 N·m
11 lb ft
Spark Plug Type
GM P/N 12568387
Spark Plug Wire Resistance
3000 ohms per ft
The spark plug gap for this application is 0.60 Although, the spark plugs are Iridium plugs and are pre set by the manufacuter and should not be tampered with due to damaging the diode on the plug. The correct application for this vehicle should be AC DELC0 IRRIDIUM SPARK PLUGS.
The spark plug gap should be posted on the emissions sticker under the hood. The gap setting posted on the sticker is good for all brands and types of plugs for your vehicule
spark plug setting
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