F 150 2WD Pickup V8-4.6L (2002)
Valve: Specifications
Valve seats width-intake
0.075-0.083 inch
Valve seats width-exhaust
0.075-0.083 inch
Valve seats angle
44.51-45.01°
Valve seats runout (T.I.R.) max
0.0010 inch
Valve arrangement (front-to-rear)
Left Hand
E-I-E-I-E-I-E-I
Right Hand
I-E-I-E-I-E-I-E
Valve stem to guide clearance-intake
0.00079-0.00272 inch
Valve stem to guide clearance-exhaust
0.0018-0.0037 inch
Valve head diameter-intake
1.75 inch
Valve head diameter-exhaust
1.34 inch
Valve head diameter-gauge diameters
1.67 and 1.26 inch
Valve face runout limit
0.002 inch
Valve face angle
45.25-45.75°
Valve stem diameter (Std) -Intake
0.275-0.2746 inch
Valve stem diameter (Std) -exhaust
0.274-0.2736 inch
Valve guide inner diameter
0.00079-0.03740 inch