Grand Caravan FWD L4-2.4L VIN B (1997)
Valve: Specifications
Face Angle:
Intake ............................................................................................................................................................................................................................ 45°
Exhaust ................................................................................................................................................................................................................... 44 1/2°
Head Diameter:
Intake ................................................................................................................................................................. 34.67 - 34.93 mm (1.364 - 1.375 inches)
Exhaust .............................................................................................................................................................. 30.37 - 30.63 mm (1.195 - 1.205 inches)
Length (Overall):
Intake ............................................................................................................................................................. 112.76 - 113.32 mm (4.439 - 4.461 inches)
Exhaust .......................................................................................................................................................... 109.59 - 110.09 mm (4.314 - 4.334 inches)
Stem Diameter:
Intake ................................................................................................................................................................. 5.934 - 5.952 mm (0.233 - 0.234 inches)
Exhaust .............................................................................................................................................................. 5.906 - 5.924 mm (0.232 - 0.233 inches)
Valve Margin:
Intake ................................................................................................................................................................. 1.285 - 1.615 mm (0.050 - 0.063 inches)
exhaust ............................................................................................................................................................... 0.985 - 1.315 mm (0.038 - 0.051 inches)
Valve Stem Tip Height:
Intake ............................................................................................................................................................................................. 48.04 mm (1.891 inch)
Exhaust .......................................................................................................................................................................................... 47.99 mm (1.889 inch)
Valve Stem To Guide Clearance:
Intake ................................................................................................................................................................. 0.048 - 0.066 mm (0.0018 - 0.0025 inch)
Exhaust ............................................................................................................................................................ 0.0736 - 0.094 mm (0.0029 - 0.0037 inch)
Wear Limit ....................................................................................................................................................................................... 0.25 mm (0.010 inch)
