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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 8.1 G, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - 8.1L (Introduction) >> Specifications >> Ignition System Specifications

Ignition System Specifications

Ignition System Specifications

Application Specification
Metric English
Firing Order 1-8-7-2-6-5-4-3
Spark Plug Wire Resistance 1,000 ohms per ft
Spark Plug Torque 20 N.m 15 lb ft
Spark Plug Gap 1.52 mm 0.060 in
Spark Plug Type TJ14R-P15 Denso plug type