Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1525
PISTON RINGS
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Ring Gap-Top Compression Ring
0.20-0.36 mm
0.008-0.014 in.
Ring Gap-2nd Compression Ring
(Micro-Napier
0.20-0.40 mm
0.0078-0.0157 in.
Ring Gap-Oil Control (Steel Rails)
0.25-0.76 mm
0.010-0.030 in.
PISTON RING SIDE CLEARANCE
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Top and Second Compression Ring
0.04-0.08 mm
0.0016-0.0031 in.
Oil Ring (Steel Rails
0.038-0.184 mm
0.0015-0.0073 in.
PISTON RING WIDTH
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Top Compression Ring
1.17-1.19 mm
0.0461-0.0469 in.
2nd Compression Ring (Micro-
Napier
1.47-1.49 mm
0.058-0.059 in.
Oil Control (Steel Rails)
0.445-0.470 mm
0.0176-0.0186 in.
CONNECTING RODS
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Bearing Clearance
0.035-0.073 mm
0.0013-0.0028 in.
Piston Pin Bore Diameter
24.0076-24.0153 mm
0.9452-0.9455 in.
Side Clearance (MAX)
0.39 mm
0.0153 in.
Total Weight (Less Bearing)
647 grams
22.8223 oz.
CRANKSHAFT MAIN BEARING JOURNALS
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Diameter
63.987-64.013 mm
2.519-2.520 in.
Main Bearing Diametrical Clearance
0.032-0.062 mm
0.0013-0.0024 in.
Bearing Clearance (Wear Limit)
0.072 mm
0.0028 in.
Out-of-Round (MAX)
0.008 mm
0.0003 in.
Diametrical Taper (MAX)
0.010 mm
0.0004 in.
End Play
0.048-0.260 mm
0.002-0.010 in.
End Play (MAX)
0.37 mm
0.015 in.
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CONNECTING ROD JOURNALS
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Diameter
57.982-58.002 mm
2.282-2.283 in.
Bearing Diametrical Clearance
0.035-0.073 mm
0.0014-0.0029 in.
Bearing Clearance (Wear Limit)
0.080 mm
0.003 in.
Out-of-Round (MAX)
0.008 mm
0.0003 in.
Diametrical Taper (MAX)
0.010 mm
0.0004 in.
CAMSHAFT
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Bore Diameter
43.038-43.059 mm
1.6944-1.6953 in.
Diametrical Clearance
0.078-0.12 mm
0.003-0.0047 in.
Diametrical Clearance (MAX)
0.15 mm
0.0059 in.
Bearing Journal Diameter
42.939-42.960 mm
1.6905-1.6913 in.
End Play
0.03-0.035 mm
0.001-0.014 in.
VALVE TIMING-INTAKE VALVE
DESCRIPTION
SPECIFICATIONS (CRANKSHAFT DEGREES)
Opens (ATDC)
3°
Closes (ABDC)
61°
Duration
238°
Centerline
122°
VALVE TIMING-EXHAUST VALVE
DESCRIPTION
SPECIFICATIONS (CRANKSHAFT DEGREES)
Opens (BBDC)
56°
Closes (ATDC)
16°
Duration
252°
Centerline
110°
CYLINDER HEAD
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Gasket Thickness (Compressed)
1.78 mm
0.059 in.
Valve Seat Angle (From Horizontial)
45-45.5°
Valve Seat Runout (MAX)
0.051 mm
0.002 in.
Valve Seat Width-Intake
0.8-1.2 mm
0.031-0.067 in.
Valve Seat Width-Exhaust
1.3-1.7 mm
0.05-0.067 in.
Guide Bore Diameter (Std.)
6.975-7.00 mm
0.2746-0.2756 in.
Valve Guide Height *
9.5-10.5 mm
0.3740-0.4134 in.
* Measured from cylinder head surface
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ENGINE - 3.5L - SERVICE INFORMATION
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VALVES
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Face Angle (From Horizontial)
44.5°-45°
Head Diameter-Intake
36.37-36.63 mm
1.4319-14421 in.
Head Diameter-Exhaust
28.87-29.13 mm
1.1366-1.1469 in.
Length-Intake (Overall)
114.41-114.99 mm
4.5043-4.5272 in.
Length-Exhaust (Overall)
126.17-126.75 mm
4.9673-4.9902 in.
Stem Diameter-Intake
6.935-6.953 mm
0.2730-0.2737 in.
Stem Diameter-Exhaust
6.906-6.924 mm
0.2719-0.2726 in.
Stem-to-Guide Clearance-Intake
0.022-0.065 mm
0.0009-0.0026 in.
Stem-to-Guide Clearance-Intake
(MAX.) Rocking Method
0.29 mm
0.0114 in.
Stem-to-Guide Clearance-Exhaust
0.051-0.094 mm
0.002-0.0037 in.
Stem-to-Guide Clearance-Intake
(MAX.) Rocking Method
0.370 mm
0.0146 in.
Valve Lift-Intake (Zero Lash)
8.55 mm
0.3367 in.
Valve Lift-Exhaust (Zero Lash)
6.53 mm
0.2571 in.
Valve Margin-Intake
0.835-1.165 mm
0.0329-0.0459 in.
Valve Margin-Exhaust
1.44-1.77 mm
0.0567-0.0697 in.
Valve Stem Tip Height-Intake
42.366-43.665 mm
1.6680-1.7187 in.
Valve Stem Tip Height-Exhaust
45.205-46.486 mm
1.780-1.8305 in.
VALVE SPRINGS
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Free Length-Intake (Approx.)
43.675 mm
1.7195 in.
Free Length-Exhaust- Yellow
(Approx.)
47.1 mm
1.8543 in.
Free Length-Exhaust- White
(Approx.)
48.3 mm
1.9015 in.
Spring Force-Intake (Valve Closed)
309-358 N @ 38.0 mm
69.5-80.5 lbs. @ 1.4961 in.
Spring Force-Exhaust- Yellow-(Valve
Closed)
314-354 N @ 38.0 mm
70.5-79.5 lbs. @ 1.496 in.
Spring Force-Exhaust- White-(Valve
Closed)
355-401 N @ 38.0 mm
80-90 lbs. @ 1.496 in.
Spring Force-Exhaust- Yellow-(Valve
Open)
579-640 N @ 31.47 mm
130-144 lbs. @ 1.239 in.
Spring Force-Exhaust- White-(Valve
Open)
621-687 N @ 31.47 mm
139.5-154.5 lbs. @ 1.239 in.
Spring Force-Intake (Valve Open)
836-907 N @ 29.45 mm
188-204 lbs. @ 1.1594 in.
Number of Coils-Intake
6.86
Number of Coils-Exhaust
7.66
Color of Spring (Top of Coils)-
Intake-Right Hand Coil Direction
Orange
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ENGINE - 3.5L - SERVICE INFORMATION
LX
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Color of Spring (Top of Coils)-
Exhaust-Left Hand Coil Direction
Yellow or White
Wire Diameter-Intake
4.29-4.35 mm
0.1547-0.1570 in.
Wire Diameter-Exhaust
3.93-3.99 mm
0.1547-0.1570 in.
Spring Installed Height *
38.0 mm
1.4961 in.
* Spring Seat to Bottom Retainer-Intake and Exhaust
OIL PUMP
DESCRIPTION
SPECIFICATIONS
Metric
Standard
Clearance Over Rotors
0.077 mm
0.003 in.
Cover-Out-of-Flat (MAX.)
0.025 mm
0.001 in.
Inner and Outer Rotor Thickness
(MIN.)
14.229 mm
0.563 in.
Outer Rotor Thickness (MAX.)
0.39 mm
0.015 in.
Outer Rotor Diameter (MIN.)
79.997 mm
3.149 in.
Tip Clearance Between Rotors
(MAX.)
0.20 mm
0.008 in.
OIL PRESSURE
DESCRIPTION
SPECIFICATIONS
NOTE: At Normal Operating Temperatures
Pressure @ Curb Idle Speed *
34.47 kPa Min. (5 PSI MIN.)
Pressure @ 3000 RPM
300-724 kPa (45-105 PSI.)
*CAUTION: If pressure is zero at curb idle, DO NOT run engine at 3000 RPM.
TORQUE - 3.5L
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Camshaft Sprocket Bolt - Right Side
102 +
1
⁄
4
Turn
75 +
1
⁄
4
Turn
-
Camshaft Sprocket Bolt - Left Side
102 +
1
⁄
4
Turn
75 +
1
⁄
4
Turn
-
Camshaft Thrust Plate - Bolts
28
-
250
Connecting Rod Cap - Bolts
27 +
1
⁄
4
Turn
20 +
1
⁄
4
Turn
-
Crankshaft Main Bearing Cap
Inner Main Cap Bolts
20 +
1
⁄
4
Turn
15 +
1
⁄
4
Turn
-
Crankshaft Main Bearing Cap
Outer Main Cap Bolts
27 +
1
⁄
4
Turn
20 +
1
⁄
4
Turn
-
Tie Bolts (Horizontal)
28
-
250
Crankshaft Damper - Bolt
95
70
-
Cylinder Head Bolts*
-Step 1
61
45
-
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