a friend of mine just called and said his van is making a lifter ticking noise at idle.when rev'ed he says it sounds like a lower in the motor and louder.the van has 65k miles and well taken car of,and not beat on.i havent had any time w/ these 3.8 engines.any ideas???,any inheirent problems with these??? my friend is a good mech,and knows sounds,but its still over the phone diag. issues. thanks guys. im just trying to help a friend in need.