You should have replied to your previous post so that whoever attended to you can continue as he would be notified and the history of what had transpired would be in the same post.
No worries about lifters causing any danages, unless the noise gets louder and is constant. That could be due to a lubrication fault.
The lifters would have to replaced only if the oil change and the cleaner did not help.
Saturday, January 15th, 2011 AT 2:50 PM