Dodge Workshop Service and Repair Manuals

Camshaft: Specifications

CAMSHAFT

Drive ........................................................................................................................................................................................................................   Chain
Bearings ...........................................................................................................................................................................................   Steel Backed Babbitt
Number ...........................................................................................................................................................................................................................   4
Diametral Clearance ....................................................................................................................................................   0.025-0.101 mm (0.001-0.004 in.)
Maximum Allowable Before Reconditioning ..................................................................................................................................   0.127 mm (0.005 in.)
Thrust Taken By ............................................................................................................................................................................................   Thrust Plate
End Play ......................................................................................................................................................................   0.127-0.304 mm (0.005-0.012 in.)
Maximum Allowable .......................................................................................................................................................................   0.304 mm (0.012 in.)

CAMSHAFT JOURNALS

Diameter

No. 1 .................................................................................................................................................................   50.724-50.755 mm (1.997-1.999 in.)
No. 2 .................................................................................................................................................................   50.317-50.368 mm (1.980-1.982 in.)
No. 3 .................................................................................................................................................................   49.936-49.987 mm (1.965-1.967 in.)
No. 4 .................................................................................................................................................................   49.530-49.581 mm (1.949-1.952 in.)

CAMSHAFT BEARINGS

Diameter

No. 1 .....................................................................................................................................................................   50.80-50.82 mm (2.000-2.001 in.)
No. 2 .....................................................................................................................................................................   50.39-50.41 mm (1.984-1.985 in.)
No. 3 .....................................................................................................................................................................   49.60-49.63 mm (1.953-1.954 in.)
No. 4 .....................................................................................................................................................................   49.53-49.58 mm (1.950-1.951 in.)

VALVE TIMING

Intake Opens (BTC) ......................................................................................................................................................................................................   0°
Intake Closes (ABC) ....................................................................................................................................................................................................   60°
Exhaust Opens (BBC) .................................................................................................................................................................................................   48°
Exhaust Closes (ATC) .................................................................................................................................................................................................   12°
Valve Overlap ..............................................................................................................................................................................................................   12°
Intake Valve Duration ...............................................................................................................................................................................................   240°
Exhaust Valve Duration .............................................................................................................................................................................................   240°

TIMING CHAIN

Number of Links ...........................................................................................................................................................................................................   64
Pitch ......................................................................................................................................................................................................................   .375 in.
Width ....................................................................................................................................................................................................................   .750 in.

TAPPETS

Type ........................................................................................................................................................................................................   Roller Hydraulic
Body Diameter ........................................................................................................................................................   22.94-22.96 mm (0.9035-0.9040 in.)
Clearance to Block ..................................................................................................................................................   0.027-0.060 mm (0.0011-0.0024 in.)
Service Tappets Available ...........................................................................................................................................................................................  Std.
 ..........................................................................................................................................................................................................  0.025 mm (0.001 in.)
 ............................................................................................................................................................................................................  0.20 mm (0.008 in.)
 ..........................................................................................................................................................................................................  0.762 mm (0.030 in.)