E 150 V8-4.6L SOHC VIN W (2004)
Valve Spring: Specifications
Valve spring free length ................................................................................................................................................................. 49.55 mm (1.9508 inch)
Valve spring squareness ........................................................................................................................................................................................ 2 degrees
Valve spring compression pressure .................................................................................................... 587.14 N @ 28.02 mm (131.994 lb @ 1.1032 inch)
Valve spring installed height ....................................................................................................................................... 39.7-40.3 mm (1.5630-1.5866 inch)
Valve spring installed pressure-valve open ............................................................................................... 587.165 N @ 27.99 mm (132 lb @ 1.102 inch)
Valve spring installed pressure-valve closed ................................................................................................. 244.652 N @ 39.98 mm (55 lb @ 1.574 inch)
