Quote Originally Posted by marshallh View Post
Yes that's lifter tick, you can use Bob's method of swapping a quart of Rislone for oil every oil change, has almost eliminated my lifter tick and I have 94 lifters.
Try some CD2 oil detergent. I am dead serious. I fixed my SL in 1 oil change. It took about a day of running it to take care of it all.

My TT has the 3mm lifters though, so I really haven't had any issue with these yet.