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