Dodge ram truck 3500 1996 Service Manual page 1042

9 - 52 3.9L ENGINE -
S P E C I F I C A T I O N S
ENGINE SPECIFICATIONS
Camshaft
Bearing Diameter
No. 1 50.800-50.825 mm
(2.000-2.001 in)
No. 2 . . 50.394-50.419 mm
(1.984-1.985 in)
No. 3 . . . . . . . . . . . . . . . . 49.606-49.632 mm
(1.953-1.954 in)
No. 4 39.688-39.713 mm
(1.5625-1.5635 in)
Diametrical Clearance 0.0254-0.0762 mm
(0.001-0.003 in)
Max. Allowable 0.127 mm
(0.005 in)
End Play 0.051-0.254 mm
(0.002-0.010 in)
Bearing Journal Diameter
No. 1 . 50.749-50.775 mm
(1.998-1.999 in)
No. 2 50.343-50.368 mm
(1.982-1.983 in)
No. 3 . - 49.555-49.581 mm
(1.951-1.952 in)
No. 4 39.637-39.662 mm
(1.5605-1.5615 in)
Connecting Rods
Bearing Clearance 0.013-0.056 mm
(0.0005-0.0022 in)
Max. Allowable 0.08 mm (0.003 in)
Piston Pin Bore Diameter . . . . . . . . . . . 24.940-24.978 mm
(0.9819-0.9834 in)
Side Clearance (Two Rods) 0.152-0.356 mm
(0.006-0.014 in)
Total Weight (Less Bearing) 726 grams
(25.61 oz)
Crankshaft
Connect Rod Journal
Diameter . . . . . . . . . . . . . . . . . . . . . 53.950-53.975 mm
(2.124-2.125 in)
Out-of-Round (Max.) 0.0254 mm
(0.001 in)
Taper (Max.) 0.0254 mm
(0.001 in)
Diametrical Clearance
No. 1 0.013-0.038 mm
(0.0005-0.0015 in)
Nos. 2, 3, and 4 0.013-0.051 mm
(0.0005-0.0020 in)
Max. Allowable (Nos. 2
F
3 , < & 4) ............ 0.064 mm
(0.0025 in)
End Play 0.051-0.178 mm
(0.002-0.007 in)
Max. Allowable 0.254 mm
(0.010 in)
Main Bearing Journals
Diameter 63.487-63.513 mm
(2.4995-2.5005 in)
Out-of-Round (Max.) 0.0254 mm
(0.001 in)
Taper (Max.) 0.0254 mm
(0.001 in)
Cylinder Block
Cylinder Bore
Diameter 99.314-99.365 mm
(3.910-3.912 in)
Out-of-Round (Max.) 0.127 mm
(0.005 in)
Taper (Max.) 0.254 mm
(0.010 in)
Oversize (Max.) 1.016 mm
(0.040 in)
Distributor Lower Drive Shaft
Bushing (Press Fit in Block) . . . . 0.0127-0.3556 mm
(0.0005-0.0140 in)
Shaft-to-Bushing Clearance 0.0178-0.0686 mm
(0.0007-0.0027 in)
Tappet Bore Diameter 22.99-23.01 mm
(0.9051-0.9059 in)
Cylinder Head
Compression Pressure . . . . . . . . . . . . . 689 kPa
(100 psi)
Gasket Thickness (Compressed) . . . . . . 1.2065 mm
(0.0475 in)
Valve Seat
Angle. . . . . . . . . . . . . . . . . . . . . . . . 44.25° - 44.75°
Runout (Max.) 0.0762 mm
(0.003 in)
Width (Finish) - Intake . . . . . . . . . . . 1.016-1.542mm
(0.040-0.060 in)
Width (Finish) - Exhaust. . . . . . . . . . 1.524-2.032 mm
(0.060-0.080 in)
Hydraulic Tappets
B o d / Diameter 22.949-22.962 mm
(0.9035-0.9040 in)
Ciearance in Block 0.0279-0.0610 mm
(0.0011-0.0024 in)
Dry Lash . . . . . . . . . . . . . . . . . . . 1.524-5.334 mm
(0.060-0.210 in)
Push Rod Length 175.64-176.15 mm
(6.915-6.935 in)
ENGINE SPECIFICATIONS
J9509-65