8-1-vortec
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| 2002 Avalanche 2500 8.1L |
|
4 | 215 | October 1, 2026 |
| 8.1L Vortec Spark Plugs: ACDelco 41-983 at .045" Gap — and What to Do When You Break Your Wires |
|
0 | 34 | June 23, 2026 |
| 8.1L Vortec Startup Chatter Fixed: Ditched the 5W-30, Switched to Rotella T4 15W-40 |
|
0 | 18 | June 23, 2026 |