July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Valve Spring
Free Length (Approx.) 44.4 mm (1.747 inch) Spring Tension (Valve Closed) 333 N @ 39.2 mm (75 lbs. @ 1.54 inch) Spring Tension (Valve open) 482 N @ 31.40 mm (176 lbs. @ 1.24 inch)