Dodge Workshop Service and Repair Manuals

Valve: Specifications

Intake Valve:

Stem Diameter .............................................................................................................................................................................  7.935 mm (0.3124 inch)
Face Angle ..............................................................................................................................................................................................................  44 1/2°
Margin ...........................................................................................................................................................................................  0.794 mm (0.031 inch)
Head Diameter ...................................................................................................................................................................................  45.5 mm (1.79 inch)
Length ..........................................................................................................................................................................................  125.38 mm (4.936 inch)
Lift (zero lash) ...............................................................................................................................................................................  10.16 mm (0.400 inch)
Minimum Valve Length After Grinding Tip ..............................................................................................................................  124.892 mm (4.916 inch)

Exhaust Valve:

Stem Diameter .............................................................................................................................................................................  7.906 mm (0.3112 inch)
Face Angle ..............................................................................................................................................................................................................  44 1/2°
Margin .........................................................................................................................................................................................  1.191 mm (0.0469 inch)
Head Diameter .................................................................................................................................................................................  37.5 mm (1.476 inch)
Length ..........................................................................................................................................................................................  126.00 mm (4.964 inch)
Lift (zero lash) ...............................................................................................................................................................................  10.16 mm (0.400 inch)
Minimum Valve Length After Grinding Tip ..............................................................................................................................  125.512 mm (4.941 inch)

Valve Timing:

Intake Opens .......................................................................................................................................................................................................  2° BTDC
Intake Closes ....................................................................................................................................................................................................  58° ABDC
Exhaust Opens ..................................................................................................................................................................................................  48° BBDC
Exhaust Closes ..................................................................................................................................................................................................  12° ATDC
Valve Overlap ...............................................................................................................................................................................................................  14°
Intake Valve Duration ................................................................................................................................................................................................  240°
Exhaust Valve Duration ..............................................................................................................................................................................................  240°