Dodge Workshop Service and Repair Manuals

Valve: Specifications

Valves

Face Angle .......................................................................................................................................................................................................  44.5°-45.5°
Head Diameter-Intake .....................................................................................................................................................  33.67-33.93 (1.3256-1.3358 in.)
Head Diameter-Exhaust ...........................................................................................................................................  27.67-27.93 mm (1.0894-1.1000 in.)
Length-Intake (Overall) .......................................................................................................................................  107.89-108.39 mm (4.2476-4.2673 in.)
Length-Exhaust (Overall) .....................................................................................................................................  105.88-106.38 mm (4.1685-4.1882 in.)
Stem Diameter-Intake ..............................................................................................................................................  5.934-5.952 mm (0.2337-0.2344 in.)
Stem Diameter-Exhaust ...........................................................................................................................................  5.906-5.924 mm (0.2326-0.2333 in.)
Stem-to-Guide Clearance-Intake (New) ...................................................................................................................  0.023-0.066 mm (0.0009-0.0026 in.)
Stem-to-Guide Clearance-Exhaust (New) ..................................................................................................................  0.051-0.094 mm (0.002-0.0037 in.)
Stem-to-Guide Clearance-Intake (Max. Rocking Method) ...............................................................................................................  0.29 mm (0.0114 in.)
Stem-to-Guide Clearance-Exhaust (Max., Rocking Method) ..........................................................................................................  0.370 mm(0.0146 in.)
Valve Lift-Intake (Zero Lash) ............................................................................................................................................................  9.0 mm (0.3543 in.)
Valve Lift-Exhaust (Zero Lash) ..........................................................................................................................................................  8.0 mm (0.3150 in.)
Valve Stem Tip Height-Intake .........................................................................................................................  47.120 ±0.467 mm (1.8551 ±0.00184 in.)
Valve Stem Tip Height-Exhaust .......................................................................................................................  48.672 ±0.467 mm (1.9162 ±0.00184 in.)

Valve Timing - Intake Valve

Opens (ATDC) ...............................................................................................................................................................................................................  2°
Closes (ABDC) .............................................................................................................................................................................................................  44°
Duration ......................................................................................................................................................................................................................  222°

Valve Timing-Exhaust Valve

Opens (BBDC) .............................................................................................................................................................................................................  36°
Closes (ATDC) ...............................................................................................................................................................................................................  4°
Duration ......................................................................................................................................................................................................................  220°
Valve Overlap .................................................................................................................................................................................................................  2°