F 550 4WD Super Duty V10-6.8L VIN D (2004)
Valve Spring: Specifications
Valve spring compression pressure
Intake (N @ Spec. Length) ............................................................................................................................................................. 667.3 N @ 28.02 mm
Exhaust (N @ Spec. Length) .......................................................................................................................................................... 667.3 N @ 28.02 mm
Valve spring free length
Intake ................................................................................................................................................................................................................... 50.2 mm
Exhaust ................................................................................................................................................................................................................. 50.2 mm
Valve spring installed pressure (N @ Spec. Length)
Intake ............................................................................................................................................................................................... 289.1 N @ 40.01 mm
Exhaust ............................................................................................................................................................................................ 289.1 N @ 40.01 mm
Valve springs installed pressure (N @ Spec. Length - Service Limit)
Intake ............................................................................................................................................................................................ 274.6 mm @ 40.01 mm
Exhaust ......................................................................................................................................................................................... 274.6 mm @ 40.01 mm
Valve springs - out of square limit
Intake ............................................................................................................................................................................................................... 2.5 degrees
Exhaust ............................................................................................................................................................................................................. 2.5 degrees