Firing Order

2.8, 3.1 & 3.4 Firing Order

3100 & 3400 Firing Order

3800 Firing Order

Spark Plugs

2.8 V6 & 3.1 V6

  • ACDelco Copper Part # R44LTSM
  • Autolite Copper Part # 5245
  • Plug Gap 0.45

3.1 Turbo Vin V

  • ACDelco Copper Part # R42LTS
  • Autolite Copper Part # 103
  • Plug Gap 0.45
  • 3100 & 3400 V6
  • 3800 N/A
  • 3800 SC

Wire Sets

2.8 & 3.1 V6

  • Delphi / Wireset Part # XS10206
  • ACDelco / Wireset Part # 9706R
  • Duralast Gold / Wireset Part # D801163