Chrysler 1997 Stratus Convertible RHD Service Manual page 825

JX
SPECIFICATIONS
ENGINE 2.5L
DESCRIPTION
Valve Timing
Intake—Open . . . . . . . . . . . . . . . . . . . . 19° BTDC
Intake—Close . . . . . . . . . . . . . . . . . . . . 45° ABDC
Exhaust—Open . . . . . . . . . . . . . . . . . . . 49° BBDC
Exhaust—Close . . . . . . . . . . . . . . . . . . . 15°ATDC
Compression Pressure . . . . . . 178 psi @ 250 RPM
Maximum Variation Between
Cylinders . . . . . . . . . . . . . . . . . 97 kPa (14 PSI)
Service Limit . . . . . . . . . . . . . . . . . . . . . . . . . 25%
Valve Clearance—Hot Engine . . . . Hydraulic Lash
Cylinder Head
Flatness of Gasket Surface . . 0.03 mm (0.0012 in.)
Service Limit . . . . . . . . . . . . . . . 0.2mm (0.008 in.)
* Grinding Limit of Gasket
Surface . . . . . . . . . . . . . . . . . 0.2 mm (0.008 in.)
Manifold—Flatness
Intake . . . . . . . . . . . . . . . . . . . 0.10 mm (0.004 in.)
Service Limit . . . . . . . . . . . . . . 0.2 mm (0.008 in.)
Exhaust . . . . . . . . . . . . . . . . . 0.15 mm (0.006 in.)
Service Limit . . . . . . . . . . . . . . . 0.3 mm (0.12 in.)
Valves—Thickness of Valve Head (Margin)
Intake . . . . . . . . . . . . . . . . . . . 1.0 mm (0.039 in.)
Service Limit . . . . . . . . . . . . . . 0.5 mm (0.019 in.)
Exhaust . . . . . . . . . . . . . . . . . . 1.2 mm (0.047 in.)
Service Limit . . . . . . . . . . . . . . 0.7 mm (0.028 in.)
Valve Stem to Guide Clearance
Intake . . . . . . . . . . . . . . . . . . . . . 0.02 to 0.05 mm
Service Limit . . . . . . . . . . . . . 0.10 mm (0.004 in.)
Exhaust . . . . . . . . . . . . . . . . . . . . 0.04 to 0.07 mm
Service Limit . . . . . . . . . . . . . 0.15 mm (0.006 in.)
Valve Face Angle . . . . . . . . . . . . . . . 45° to 45-1/2°
Valve Stem Diameter Intake
and Exhaust . . . . . . . . . . . . . 6.0 mm (0.236 in.)
STANDARD DIMENSION
AND SERVICE LIMIT
Adjuster
(0.0008 to 0.002 in.)
(0.0016 to 0.0028 in.)
DESCRIPTION
Valve Guide
Height . . . . . . . . . . . . . . . . . . 14.0 mm (0.551 in.)
O.D. . . . . . . . . . . . . . . . . . . . . 11.0 mm (0.443 in.)
I.D. . . . . . . . . . . . . . . . . . . . . . . 6.0 mm (0.236 in.)
Valve Seat
Seat Surface Angle . . . . . . . . . . . . . 44° to 44-1/2°
Contact Width . . . . . . . . . . . . . . . . . 0.9 to 1.3 mm
Sinkage (Service Limit) . . . . . . 0.2 mm (0.078 in.)
Valve Spring
Free Height . . . . . . . . . . . . . . . 51.0 mm (2.01 in.)
Service Limit . . . . . . . . . . . . . . 50.0 mm (1.97 in.)
Loaded Height . . . . . . . . . . . . . 44.2 mm at 267 N
Perpendicularity Intake and
Exhaust . . . . . . . . . . . . . . . . . . . . 2° Maximum
Service Limit . . . . . . . . . . . . . . . . . . 4° Maximum
NOTE: * Includes/Combined With Cylinder Head
and Block Top Surface Grinding
2.5L ENGINE 9 - 89
STANDARD DIMENSION
AND SERVICE LIMIT
(0.035 to 0.051 in.)
(1.74 in. at 60 lbs.)