Engine Valves & Valve Springs Specifications
WARNING: This page is about a different car, the 2004 Infiniti FX35 and 2003 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
VALVES & VALVE SPRINGS
| Application | In. (mm) | ||
|---|---|---|---|
| Intake Valves | |||
| Face Angle | 45 Degrees 15 Min.-45 Degrees 45 Min. | ||
| Head Diameter | 1.4567-1.4685 (37.00-37.30) | ||
| Valve Margin | |||
| Standard | .043 (1.1) | ||
| Limit | More Than .020 (.50) | ||
| Valve Length | 3.794 (96.37) | ||
| Stem Diameter | .2348-.2354 (5.965-5.980) | ||
| Valve Tip Maximum Refinish | .008 (.20) | ||
| Exhaust Valves | |||
| Face Angle | 45 Degrees 15 Min-45 Degrees 45 Min | ||
| Head Diameter | 1.228-1.240 (31.20-31.50) | ||
| Valve Margin | |||
| Standard | .051 (1.3) | ||
| Limit | More Than .020 (.50) | ||
| Valve Length | 3.697 (93.90) | ||
| Stem Diameter | .2344-.2350 (5.955-5.970) | ||
| Valve Tip Maximum Refinish | .008 (.20) | ||
| Valve Springs | |||
| Free Length | 1.8531 (47.07) | ||
| Out-Of-Square | .083 (2.10) | ||
| Lbs. @ In. (kg @ mm) | |||
| Pressure | |||
| Standard Installed | 37.3-42.3 @ 1.457 (17.0-19.2 @ 37.0) | ||
| Valve Open | 84.0-94.6 @ 1.071 (38-43 @ 27.2) | ||