Hydraulic lifter preload

You don't have to be smart to use a search function, especially in today's world.
When you went to the Library, did you read the book or just ask the Librarian for the answer?
I'm smart enough to know how to catch my own fish, instead of continually relying on the fish monger.
Your just part of the "dumb it down" culture.. You're lucky I even bother to converse with you.
With all this yakking you’re doing, you could’ve answered the OP’s question. You really like to deflect from the question, don’t you?

Since you don’t know the answer, you should’ve never responded.