Engine Valves & Valve Springs Specifications
WARNING: This page is about a different car, the 2001 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.
VALVES & VALVE SPRINGS
| Application | Specification | ||
|---|---|---|---|
| Face Angle | 45° | ||
| Face Runout | .002" (.051 mm) | ||
| Head Diameter | |||
| Intake | 1.807-1.815" (45.9-46.1 mm) | ||
| Exhaust | 1.531-1.539" (38.9-39.1 mm) | ||
| Stem Diameter | |||
| Intake | .274-.275" (6.965-6.980 mm) | ||
| Exhaust | .274-.275" (6.95-6.965 mm) | ||
| Valve Margin | .031" (.79 mm) | ||
| Valve Springs | |||
| Free Length | 1.7" (43.1 mm) | ||
| Installed Height | 1.569-1.601" (39.86-40.86 mm) | ||
| Out-Of-Square | .078" (1.98 mm) | ||
| Lbs. @ In. (N.m @ mm) | |||
| Pressure | |||
| Intake | 202.8-224.9 @ 1.413-1.445 (275-305 @ 35.9-36.7) | ||
| Exhaust | 202.8-224.9 @ 1.413-1.445 (275-305 @ 35.9-36.7) | ||