Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Resurface/Grind | ||||
| S.O.H.C. | 12.6 | 9.0 | A | Includes: R&R Cylinder Head And Make All Necessary Adjustments. |
| 944 Turbo | 16.1 | 11.5 | A | Includes: R&R Cylinder Head And Make All Necessary Adjustments. |
| Add the Following Operations If Performed With Valves, Grind | ||||
| Valve Guides, Knurl | ||||
| 1 Valve | 0.2 | 0.0 | A | Add The Following Operations If Performed Along With Valves, Grind. |
| 4 Valves | 0.5 | 0.0 | A | Add The Following Operations If Performed Along With Valves, Grind. |
| 8 Valves | 0.8 | 0.0 | A | Add The Following Operations If Performed Along With Valves, Grind. |
| Valve Guides, Renew | ||||
| 4 Valves | 0.6 | 0.0 | A | Add The Following Operations If Performed Along With Valves, Grind. |
| 8 Valves | 1.0 | 0.0 | A | Add The Following Operations If Performed Along With Valves, Grind. |
| Note | ||||
| To Ream Guide, Add | 0.1 | 0.0 | A | |
| Timing Belt, Renew | 1.2 | 0.0 | A | |
| 944 Turbo | 1.5 | 0.0 | A | |
| Tune-Up | 0.5 | 0.0 | A |