Engine Valves & Valve Springs Specifications
WARNING: This page is about a different car, the 2001 Lexus IS 300 and 2001 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
VALVES & VALVE SPRINGS
| Application | Specification | ||
|---|---|---|---|
| Intake Valves | |||
| Face Angle | 44.5° | ||
| Minimum Margin | .020" (.50 mm) | ||
| Minimum Refinish Length | 3.8657" (98.190 mm) | ||
| Stem Diameter | .2350-.2356" (5.970-5.985 mm) | ||
| Stem-To-Guide Oil Clearance | |||
| Standard | .0010-.0024" (.025-.061 mm) | ||
| Wear Limit | .0031" (.080 mm) | ||
| Exhaust Valves | |||
| Face Angle | 44.5° | ||
| Minimum Margin | .020" (.50 mm) | ||
| Minimum Refinish Length | 3.8874" (98.740 mm) | ||
| Stem Diameter | .2348-.2354" (5.964-5.980 mm) | ||
| Stem-To-Guide Oil Clearance | |||
| Standard | .0012-.0026" (.030-.066 mm) | ||
| Wear Limit | .0039" (.100 mm) | ||
| Valve Springs | |||
| Free Length | |||
| Pink Paint Mark | 1.7209" (43.71 mm) | ||
| Yellow Paint Mark | 1.7362" (44.10 mm) | ||
| Out-Of-Square | .079" (2.01 mm) | ||
| Lbs. @ In. (kg @ mm) | |||
| Pressure | |||
| Intake & Exhaust | 42-46 @ 1.358 (19-21 @ 34.52) | ||