bind

Question for you guru's. Was the closest clearance you guys would run prior to coil bind? I've been told in the past you want a minimum of .050" and others say they won't go below .100". What's your take? I'm sure it depends on application so let use the Manley 48s and 47s valve springs as an...

can someone tell me the correct way to check for coil bind on valve springs? BBC roller cam, solid roller lifters, 1.7 ratio rockers