Explorer Sport Trac 2WD V6-4.0L VIN E (2002)
Valve: Specifications
Valve arrangement (front to rear) ...................................................................................................................................... LH-I-E-I-E-I-E (RH-E-I-E-I-E-I)
Valve guide bore diameter mm (inch) ...................................................................................................................................................... 7.00-7.018 (0.276)
Valve stem diameter intake mm (inch) .......................................................................................................................................... 6.965-6.98 (0.274-0.275)
Valve stem diameter exhaust mm (inch) .................................................................................................................................................. 6.95-6.965 (0.274)
Valve stem-to-guide clearance exhaust mm (inch) ....................................................................................................................... 0.035-0.068 (0.001-0.003)
Valve stem-to-guide clearance intake mm (inch) ......................................................................................................................... 0.020-0.053 (0.001-0.002)
Valve head diameter intake mm (inch) ............................................................................................................................................ 45.9-46.1 (1.807-1.815)
Valve head diameter exhaust mm (inch) ........................................................................................................................................ 38.9-39.1 (1.531 - 1.539)
Valve face runout ............................................................................................................................................................................................... 0.03 (0.001)
Valve face angle (degrees) .................................................................................................................................................................................... 45 degrees
Valve seat width (exhaust and intake) mm (inch)
............................................................................................................................................................... 1.556-2.404 (0.06-0.094) 1.273-2.121 (0.05-0.083)
Valve seat runout (TIR maximum) mm (inch) .................................................................................................................................................. 0.059 (0.002)
Valve seat angle (degrees) .................................................................................................................................................................................... 45 degrees
Valve spring free length intake mm (inch) ............................................................................................................................................................. 43.1 (1.7)
Valve spring free length exhaust mm (inch) ........................................................................................................................................................... 43.1 (1.7)
Valve spring squareness ................................................................................................................................................................................................. TBD
Valve spring compression pressure intake at (specified height) (lb)
......................................................................................................................... 275-305 Nm at 35.9-36.7 mm (202.84-224.968 ft. lbs. at 1.413-1.445 inch)
Valve spring compression pressure exhaust (at specified height) (lb)
......................................................................................................................... 275-305 Nm at 35.9-36.7 mm (202.84-224.968 ft. lbs. at 1.413-1.445 inch)
Valve spring installed height intake mm (inch) ............................................................................................................................ 39.86-40.86 (1.569-1.601)
Valve spring installed height exhaust mm (inch) ......................................................................................................................... 39.86-40.68 (1.569-1.601)
Valve spring installed pressure ....................................................................................................................................................................................... TBD
Roller follower ratio ....................................................................................................................................................................................................... TBD
