MARINE FIRING ORDER
Chevrolet and GM
| 6 Cyl - 250 / 4.1L | |
| Std. Rotation | 1-5-3-6-2-4 |
| Reverse Rotation | Not Used |
| V6 - 262 / 4.3L | |
| Std. Rotation | 1-6-5-4-3-2 |
| Reverse Rotation | 1-2-3-4-5-6 |
| V8 - 305 / 5.OL | |
| V8 - 350 / 5.7L | |
| V8 - 383 / 6.4L | |
| V8 - 454 / 7.4L | |
| Std. Rotation | 1-8-4-3-6-5-7-2 |
| Reverse Rotation | 1-2-7-5-6-3-4-8 |
Chrysler
| V8-318/5.2L | |
| Std. Rotation | 1-8-4-3-6-5-7-2 |
| Reverse Rotation | 1-2-7-5-6-3-4-8 |
Ford
| V8 - 302 / 5.OL | |
| Std. Rotation | 1-5-4-2-6-3-7-8 |
| Reverse Rotation | 1-8-7-3-6-2-4-5 |
| V8 - 351W / 5.8L | |
| Std. Rotation | 1-3-7-2-6-5-4-8 |
| Reverse Rotation | 1-8-4-5-6-2-7-3 |
| V8 - 460 / 7.5L | |
| Std. Rotation | 1-5-4-2-6-3-7-8 |
| Reverse Rotation | 1-8-7-3-6-2-4-5 |