Cylinder Head Specifications
WARNING: This page is about a different car, the 1992 Geo Metro, 1991 Geo Metro, and 1990 Geo Metro. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD SPECIFICATIONS
| Application | Specification | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Cylinder Block Surface | .002" (.05 mm) | |||
| Manifold Surface | .004" (.10 mm) | |||
| Valve Seats | ||||
| Intake Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .0512-.0590" (1.300-1.499 mm) | |||
| Exhaust Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .0512-.0590" (1.300-1.499 mm) | |||
| Valve Guides | ||||
| Intake Valve | ||||
| Valve Guide I.D. | .2165-.2170" (5.499-5.512 mm) | |||
| Valve Guide Installed Height | .45" (11.4 mm) | |||
| Valve Stem-to-Guide Oil Clearance | ||||
| Standard | .0008-.0021" (.020-.053 mm) | |||
| Wear Limit | .0027" (.069 mm) | |||
| Exhaust Valve | ||||
| Valve Guide I.D. | .2165-.2170" (5.499-5.512 mm) | |||
| Valve Guide Installed Height | .45" (11.4 mm) | |||
| Valve Stem-to-Guide Oil Clearance | ||||
| Standard | .0014-.0024" (.035-.061 mm) | |||
| Wear Limit | .0035" (.089 mm) | |||