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Ignition System Specifications

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
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 4,018 Ω per meter (1,225 Ω per ft)