Cylinder Head
CYLINDER HEAD (DOHC)
| Application | In. (mm) Or Specification | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Head Gasket Surface | ||||
| Longitudinal (Lengthwise) | .004" (.10 mm) | |||
| Transverse (Across) | .002" (.05 mm) | |||
| Manifold Surfaces | .006" (.15 mm) | |||
| Valve Seat Angle | 44.5-45.0° | |||
| Valve Seat Width | ||||
| Intake | ||||
| Standard | .031-.048" (0.79-1.23 mm) | |||
| Maximum | .065" (1.66 mm) | |||
| Exhaust | ||||
| Standard | .041-.059" (1.05-1.49 mm) | |||
| Maximum | .076" (1.92 mm) | |||
| Valve Seat Bore Diameter | ||||
| Intake | 1.315-1.316" (33.399-33.423 mm) | |||
| Exhaust | 1.1180-1.1190" (28.399-28.423 mm) | |||
| Valve Seat Insert Diameter | ||||
| Intake | 1.319" (33.50 mm) | |||
| Exhaust | 1.122" (28.50 mm) | |||
| Valve Guides | ||||
| Cylinder Head Bore Diameter | ||||
| Standard | .4463-.4474" (11.337-11.363 mm) | |||
| Maximum | .4476" (11.368 mm) | |||
| Guide Inside Diameter | ||||
| Standard | .2751-.2761" (6.987-7.013 mm) | |||
| Maximum | .2776" (7.050 mm) | |||
| Guide Installed Height | .404-.413" (10.25-10.50 mm) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Intake | ||||
| Standard | .0010-.0025" (.025-.064 mm) | |||
| Maximum | .0045" (.115 mm) | |||
| Exhaust | ||||
| Standard | .0015-.0032" (.037-.082 mm) | |||
| Maximum | .0052" (.131 mm) | |||