Dodge Workshop Service and Repair Manuals

Valve: Specifications

Valve Head Diameter

Intake ...................................................................................................................................................................  48.640 - 48.900 mm (1.915 - 1.925 in.)
Exhaust ................................................................................................................................................................  41.123 - 41.377 mm (1.619 - 1.629 in.)

Overall Length

Intake ...................................................................................................................................................................  145.19 - 145.82 mm (5.716 - 5.741 in.)
Exhaust ................................................................................................................................................................  145.54 - 146.18 mm (5 730 - 5.755 in.)

Lift (@ zero lash)

Intake ..................................................................................................................................................................................................  9.91 mm (0.390 in.)
Exhaust .............................................................................................................................................................................................  10.34 mm (0.407 in.)

Valve Timing
Exhaust Valve

Closes (ATDC) .............................................................................................................................................................................................................  25°
Opens (BBDC) .............................................................................................................................................................................................................  60°
Duration ......................................................................................................................................................................................................................  265°

Intake Valve

Closes (ATDC) .............................................................................................................................................................................................................  61°
Opens (BBDC) ...............................................................................................................................................................................................................  6°
Duration ......................................................................................................................................................................................................................  246°

Valve Overlap ...................................................................................................................................................................................................................  31°