Chrysler RAM TRUCK 2500 1994 Service Manual page 815

9 - 94 5.9L ENGINE
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ENGINE SPECIFICATIONS (CONT.)
O i l Pump
Clearance over Rotors (Max.) 0.1016 m m
(0.004 in)
Cover Out-of-Flat (Max.) 0.0381 m m
(0.0015 in)
Inner Rotor Thickness (Min.) 20.955 mm
(0.825 in)
Outer Rotor
Clearance (Max.) 0.3556 m m
(0.014 in)
Diameter (Min.) 62.7126 m m
(2.469 in)
Thickness (Min.) 20.955 m m
(0.825 in)
Tip Clearance between Rotors (Max.) 0.2032 m m
(0.008 in)
O i l Pressure
At Curb Idle Speed* 41.4 kPa
(6
psi)
At 3000 rpm 207 - 552 kPa
(30 - 80 psi)
Switch Actuating Pressure (Min.) 34.5 - 48.3 kPa
(5-7 psi)
* CAUTION: If pressure is ZERO at curb idle, DO NOT
run engine at 3,000 rpm.
O i l Filter
Bypass Valve Setting 62 -103 kPa
(9-15 psi)
Pistons
Clearance at Top of Skirt 0.0127 - 0.0381 m m
(0.0005 - 0.0015 in)
Land Clearance (Diametrical) 0.508 - 0.660 m m
(0.020 - 0.026 in)
Piston Length 81.03 m m
(3.19 in)
Piston Ring Groove Depth
Nos.l and 2 4.761 -4.912 m m
(0.187-0.193 in)
No.3 3.996 - 4.177 m m
(0.157-0.164 in)
Weight 582 - 586 grams
(20.53-20.67 oz)
Piston Pins
Clearance In Piston 0.006 - 0.019 m m
(0.00023 - 0.00074 in)
Diameter 25.007 - 25.015 m m
(0.9845 - 0.9848 in)
End Play NONE
Length 67.8 - 68.3 m m
(2.67 - 2.69 in)
Piston Rings
Ring Gap
Compression Ring (Top) 0.30 - 0.55 m m
(0.012-0.022 in)
Compression Rings (2nd) 0.55 - 0.80 m m
(0.022 - 0.031 in)
Oil Control (Steel Rails) 0.381 -1.397 m m
(0.015 - 0.055 in)
Ring Side Clearance
Compression Rings 0.040 - 0.085 m m
(0.0016-0.0033 in)
Oil Ring (Steel Rails) 0.05 - 0.21 m m
(0.002 - 0.008 in)
Ring Width
Compression Rings 1.530 - 1.555 m m
(0.060 - 0.061 in)
Oil Ring (Steel Rails) - Max. 0.447 - 0.473 m m
(0.018-0.019 in)
V a l v e s
Face Angle 43.25° - 43.75°
Head Diameter
Intake 47.752 m m
(1.88 in)
Exhaust 41.072 m m
(1.617 in)
Length (Overall)
Intake 126.21 - 126.85 m m
(4.969 - 4.994 in)
Exhaust 126.44 - 127.30 m m
(4.978 - 5.012 in)
Lift (Zero Lash) 10.414 m m
(0.410 in)
Stem Diameter
Intake 9.449 - 9.474 m m
(0.372-0.373 in)
Exhaust 9.423 - 9.449 m m
(0.371 - 0.372 in)
Stem-to-Guide Clearance
Intake 0.0254 - 0.0762 m m
(0.001 - 0.003 in)
Exhaust 0.0508 - 0.1016 m m
(0.002 - 0.004 in)
Max. Allowable (Rocking Method) 0.4318 m m
(0.017 in)
Guide Bore Diameter (Std) 9.500 - 9.525 m m
(0.374-0.375 in)
J9309-103