Take about a 3 or 4 foot length of garden hose or heater hose and put it against the valve cover and up to your ear. U will hear a loud noise when your above the offending lifter. Kim
Careful Kimmer. Not long ago I got chastized from the peanut gallery for recommending using a screwdriver in similar fashion. Apparently using a stethoscope is now the only "proper" way to do it. :rolleyes: