Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Resurface/Grind | ||||
| Head Removed | ||||
| Overhead Valve | ||||
| One Bank | 1.3 | 0.8 | A | |
| Both Banks | 2.6 | 1.6 | A | |
| Overhead Valve | ||||
| One Bank | 5.2 | 3.2 | A | Includes: R&R Head, Grind Valves & Seats, Remove Carbon, Clean Or Renew Spark Plugs & Make Necessary Adjustments. |
| Note | ||||
| With Ac, Add | 0.7 | 0.4 |