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Ignition System Specifications

Application Specification
Metric English
Firing Order 1-2-3-4-5-6
Spark Plug Gap 1.02 mm 0.040 in
Spark Plug Torque 15 N.m 11 lb ft
Spark Plug Type GM P/N 12591131
AC Delco #41-100
Spark Plug Wire Resistance 4,060 Ω per meter (1,237 Ω per ft)
Refer to Engine Mechanical Specifications