[Jake Raby]

Originally Posted by aneal000

Thanks James... I was just talking to a buddy of mine yesterday who was explaining the same procedure. He even has a homemade spark plug to air compressor hose! I have looked very closely at the top of the piston over and over and I see no indication of the valve touching it so I'm excited about that as well.

Before using the air to hold the valve closed to change the spring, use the same air to carry out a leak down test. Might save you lots of heart ache.