FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Valve, Intake/Exhaust

Valves - Valve Face Angle
45 degrees

Valves - Valve Face Width
1.25 mm
0.05 in

Valves - Valve Lash
Net Lash - No Adjustment

Valve Lift - Intake
12.24 mm
0.482 in

Valve Lift - Exhaust
12.24 mm
0.482 in

Valves - Valve Seat Angle
46 degrees

Valves - Valve Seat Runout
0.05 mm
0.002 in

Valves - Valve Seat Width - Exhaust
1.78 mm
0.07 in

Valves - Seat Width - Intake
1.02 mm
0.04 in

Valves - Valve Stem Diameter - Production
7.955-7.976 mm
0.313-0.314 in

Valves - Valve Stem Diameter - Service
7.95 mm
0.313 in

Valves - Valve Stem-to-Guide Clearance - Production - Intake
0.025-0.066 mm
0.001-0.0026 in

Valves - Valve Stem-to-Guide Clearance - Service - Intake
0.093 mm
0.0037 in

Valves - Valve Stem-to-Guide Clearance - Production - Exhaust
0.025-0.066 mm
0.001-0.0026 in

Valves - Valve Stem-to-Guide Clearance - Service - Exhaust
0.093 mm
0.0037 in

Rocker Arms - Valve Rocker Arm Ratio
1.70:1

Valve Springs - Valve Spring Free Length
52.9 mm
2.08 in

Valve Springs - Valve Spring Installed Height
45.75 mm
1.8 in

Valve Springs - Valve Spring Load - Closed
340 N at 45.75 mm
76 lb at 1.8 in

Valve Springs - Valve Spring Load - Open
980 N at 33.55 mm
220 lb at 1.32 in Springs - Valve Spring Load - Open