Chrysler 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 - 50.775 mm (1.9970 - 1.9990 in.)
No. 2 .........................................................................................................................................................   50.317 - 50.368 mm (1.9809 - 1.9829 in.)
No. 3 .........................................................................................................................................................   49.936 - 49.987 mm (1.9659 - 1.9679 in.)
No. 4 .........................................................................................................................................................   49.530 - 49.581 mm (1.9499 - 1.9520 in.)

CAMSHAFT BEARINGS 

Diameter

No. 1 .........................................................................................................................................................   50.825 - 50.800 mm (2.0009 - 1.9999 in.)
No. 2 .........................................................................................................................................................   50.419 - 50.393 mm (1.9849 - 1.9839 in.)
No. 3 .........................................................................................................................................................   50.038 - 50.013 mm (1.9699 - 1.9690 in.)
No. 4 .........................................................................................................................................................   49.632 - 49.606 mm (1.9540 - 1.9529 in.)
Oil Clearance .........................................................................................................................................................   .0254 - .0762 mm (.001 - 003 in.)

VALVE TIMING 

Intake Opens (BTC) ......................................................................................................................................................................................................   2°
Intake Closes (ABC) ....................................................................................................................................................................................................   58°
Exhaust Opens (BBC) .................................................................................................................................................................................................   48°
Exhaust Closes (ATC) .................................................................................................................................................................................................   12°
Valve Overlap ..............................................................................................................................................................................................................   14°
Intake Valve Duration ...............................................................................................................................................................................................   240°
Exhaust Valve Duration .............................................................................................................................................................................................   240°

TIMING CHAIN 

Number of Links ...........................................................................................................................................................................................................   64
Pitch ....................................................................................................................................................................................................................   0.375 in.
Width ..................................................................................................................................................................................................................   0.750 in.

TAPPETS 

Type ........................................................................................................................................................................................................   Roller Hydraulic
Body Diameter ....................................................................................................................................................   22.95 - 22.96 mm (0.9035 - 0.9040 in.)
Clearance to Block ..................................................................................................................................................   0.02 - 0.06 mm (0.0007 - 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.)