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8.0L V10 Engine: Specifications Dodge Cab & Chassis R3500

Mechanical

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
A/C Compressor Bolt20 (27)
A/C Compressor Brace Bolt30 (41)
Automatic Belt Tensioner Pulley Bolt65 (88)
Automatic Belt Tensioner-To-Mounting Bracket30 (41)
Camshaft Sprocket Bolt55 (75)
Camshaft Thrust Plate Bolt16 (22)
Connecting Rod Nut45 (61)
Cooling Fan-To-Fan Clutch Assembly Bolt17 (23)
Crankshaft Rear Oil Seal Retainer Bolt16 (22)
Cylinder Head Bolt (1)
Step 143 (58)
Step 2105 (142)
Exhaust Manifold Bolt16 (22)
Exhaust Pipe-To-Exhaust Manifold Bolt25 (34)
Flywheel/Flexplate Bolt (2)55 (75)
Front Engine Mount Through-Bolt/Nut75 (102)
Front Engine Mount-To-Cylinder Block Bolt (3)60 (81)
Fuel Rail Bolt11 (15)
Generator Bolt30 (41)
Generator Brace Bolt30 (41)
Heater Hose Fitting12 (16)
Heat Shield-To-Exhaust Manifold Nut15 (20)
Lower Intake Manifold Bolt (4)40 (54)
Main Bearing Cap Bolt
Step 120 (27)
Step 285 (115)
Oil Pan Bolt(5)
Oil Pan Drain Plug25 (34)
Oil Pick-Up Tube Bolt12 (16)
Oil Pump Cover Bolt11 (15)
Pressure Relief Valve Plug15 (20)
Rocker Arm Bolt21 (29)
Spark Plug30 (41)
Starter Bolt/Nut50 (68)
Thermostat Housing Bolt18 (24)
Throttle Body Nut17 (23)
Throttle Body-To-Upper Intake Manifold Bolt17 (23)
Timing Chain Cover Bolt35 (47)
Torque Converter Bolt35 (47)
Transmission Mount Support Bracket-To-Transmission Case Bolt (3)75 (102)
Transmission Mount-To-Crossmember Nut35 (47)
Transmission Mount-To-Transmission Mount Support Bracket Nut35 (47)
Upper Intake Manifold Bolt (6)16 (22)
Valve Cover Bolt12 (16)
Vibration Damper Bolt135 (183)
Water Pump Bolt30 (41)
Water Pump Pulley Bolt16 (22)
Yoke Retainer Bolt16 (22)
INCH Lbs. (N.m)
Air Cleaner Housing-To-Throttle Body Nut96 (11)
(1) Tighten bolts to specification in sequence. (Схема №6) (2) Use NEW bolts and apply thread sealant to threads before installing. (3) Always use NEW bolts. DO NOT reuse bolts. (4) Tighten bolts to specification in sequence. (Схема №4) (5) Tighten 1/4" bolts 96 INCH lbs. (10.8 N.m). Tighten stud bolts and 5/16" bolts to 12 ft. lbs. (16 N.m). (6) Tighten bolts to specification in sequence. (Схема №3)
(1)Tighten bolts to specification in sequence. (Схема №6)
(2)Use NEW bolts and apply thread sealant to threads before installing.
(3)Always use NEW bolts. DO NOT reuse bolts.
(4)Tighten bolts to specification in sequence. (Схема №4)
(5)Tighten 1/4" bolts 96 INCH lbs. (10.8 N.m). Tighten stud bolts and 5/16" bolts to 12 ft. lbs. (16 N.m).
(6)Tighten bolts to specification in sequence. (Схема №3)

TORQUE SPECIFICATIONS

GENERAL SPECIFICATIONS

ApplicationSpecification
Displacement488 Cu. In. (8.0L)
Bore4.00" (101.6 mm)
Stroke3.88" (98.6 mm)
Compression Ratio8.4:1
Fuel SystemMPI

GENERAL SPECIFICATIONS

CRANKSHAFT, MAIN BEARINGS & CONNECTING ROD BEARINGS SPECIFICATIONS

ApplicationIn. (mm)
Crankshaft End Play
Standard.003-.012 (.08-.30)
Wear Limit.015 (.38)
Main Bearings
Journal Diameter2.9995-3.0005 (76.187-76.213)
Journal Out-Of-Round.0010 (.025)
Journal Taper.0010 (.025)
Oil Clearance
Standard.0002-.0023 (.005-.058)
Wear Limit.0028 (.071)
Connecting Rod Bearings
Journal Diameter2.124-2.125 (53.95-53.98)
Journal Out-Of-Round.0010 (.025)
Journal Taper.0010 (.025)
Oil Clearance.0002-.0029 (.005-.074)

CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS

CONNECTING RODS SPECIFICATIONS

ApplicationIn. (mm)
Bore Diameter
Pin Bore.9819-.9834 (24.940-24.978)
Side Play.010-.018 (.25-.46)

CONNECTING RODS

PISTONS, PISTON PINS & PISTON RINGS SPECIFICATIONS

ApplicationIn. (mm)
Pistons
Clearance.0005-.0015 (.013-.038)
Diameter(1)
Pins
Diameter.9841-.9843 (24.996-25.001)
Piston Fit.0098-.0218 (.249-.554)
Rod Fit(2)
Rings
No. 1 & 2
End Gap.010-.020 (.25-.50)
Side Clearance.0029-.0038 (.074-.097)
No. 3 (Oil)
End Gap.015-.055 (.38-1.39)
Side Clearance.102-.108 (2.59-2.74)
(1) Due to its elliptical shape, check piston diameter at different positions. (Схема №11) (2) Interference fit of.0007-.0024" (.018-.061 mm).
(1)Due to its elliptical shape, check piston diameter at different positions. (Схема №11)
(2)Interference fit of .0007-.0024" (.018-.061 mm).

PISTONS, PINS & RINGS

ENGINE VALVES & VALVE SPRINGS SPECIFICATIONS

ApplicationSpecification
Intake Valves
Face Angle45°
Head Diameter1.915-1.925" (48.64-48.90 mm)
Minimum Margin.047" (1.19 mm)
Valve Length5.716-5.741" (145.19-145.82 mm)
Stem Diameter.311-.312" (7.90-7.92 mm)
Exhaust Valves
Face Angle45°
Head Diameter1.619-1.629" (41.12-41.37 mm)
Minimum Margin.047" (1.19 mm)
Valve Length5.730-5.755" (145.54-146.18 mm)
Stem Diameter.311-.312" (7.90-7.92 mm)
Valve Springs
Free Length1.967" (46.96 mm)
Installed Height1625-1.687" (41.27-42.85 mm)
Lbs. @ In. (kg @ mm)
Pressure
Valve Closed81-89 Lbs. @ 1.640 In. (36.7-40.4 kg @ 41.66 mm)
Valve Open190-210 Lbs. @ 1.216 In. (86.1-95.2 kg @ 30.89 mm)

VALVES & VALVE SPRINGS

CYLINDER HEAD SPECIFICATIONS

ApplicationIn. (mm)
Maximum Warpage(1)
Valve Seats
Intake & Exhaust Valves
Seat Angle44.5°
Seat Width.040-.060" (1.01-1.52 mm)
Maximum Seat Runout.003" (.08 mm)
Valve Guides
Intake & Exhaust Valves
Valve Guide I.D..374-.375 (9.50-9.52)
Valve Stem-To-Guide Oil Clearance(2)
(1) Maximum warpage is .0050" (.127 mm) per 6.0" (152 mm) in any direction or .010" (.25 mm) overall across cylinder head. (2) Clearance when measuring valve guide and valve stem is .0010-.0030" (.025-.076 mm). Maximum clearance when measuring by installing valve in valve guide with Sleeve (C-6819) for intake valve or (C-6818) for exhaust valve and rocking valve back and forth is .017" (.43 mm).
(1)Maximum warpage is .0050" (.127 mm) per 6.0" (152 mm) in any direction or .010" (.25 mm) overall across cylinder head.
(2)Clearance when measuring valve guide and valve stem is .0010-.0030" (.025-.076 mm). Maximum clearance when measuring by installing valve in valve guide with Sleeve (C-6819) for intake valve or (C-6818) for exhaust valve and rocking valve back and forth is .017" (.43 mm).

CYLINDER HEAD

CAMSHAFT SPECIFICATIONS

ApplicationIn. (mm)
Camshaft Bearing I.D. (1)
No. 12.093-2.094 (53.16-53.19)
No. 22.077-2.078 (52.76-52.78)
No. 32.061-2.062 (52.35-52.37)
No. 42.045-2.046 (51.94-51.97)
No. 52.029-2.030 (51.54-51.56)
No. 61.919-1.920 (48.74-48.77)
End Play.0050-.0150 (.127-.381)
Journal Diameter (1)
No. 12.091-2.092 (53.11-53.14)
No. 22.074-2.075 (52.69-52.72)
No. 32.059-2.060 (52.30-52.32)
No. 42.043-2.044 (51.89-51.92)
No. 52.027-2.028 (51.49-51.51)
No. 61.917-1.918 (48.69-48.72)
Oil Clearance
No. 2 Journal.0015-.0035 (.038-.089)
All Others.0010-.0030 (.025-.076)
(1) Numbering is from front of camshaft to the rear of camshaft.
(1)Numbering is from front of camshaft to the rear of camshaft.

CAMSHAFT

CYLINDER BLOCK SPECIFICATIONS

ApplicationIn. (mm)
Cylinder Bore
Standard Diameter4.000-4.002 (101.600-101.65)
Maximum Taper.005 (.13)
Maximum Out-Of-Round.003 (.08)
Maximum Deck Warpage(1)
(1) Information is not available from manufacturer.
(1)Information is not available from manufacturer.

CYLINDER BLOCK

VALVE LIFTERS SPECIFICATIONS

ApplicationIn. (mm)
Bore Diameter.9048-.9059 (22.982-23.010)
Lifter Diameter (1).9035-.9040 (22.949-22.962)
Oil Clearance.0008-.0024 (.020-.061)
(1) Standard diameter valve lifter is listed. Oversize valve lifters are available.
(1)Standard diameter valve lifter is listed. Oversize valve lifters are available.

VALVE LIFTERS

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