I have the motorsport tall valve covers. They clear no problem. I don't hear the lifters at idle probrably cause of the bumpy cam but. as a mater of fact, I don't hear the lifters or rockers at idle at all. Its when the car warms up after about 5 minutes and rev the car by the manually(intake) and hold it steady at a low RPM, about 1400 or when the cam smooths out. Then it sounds like a couple of rockers are loose. Its not too loud or anything. I always hear them while Im approaching a red light and there is a car next to me. When I'm completely stopped I don't hear them. It seems like when the oil heats up they start ticking.
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