I've seen this in alot of posts now as a problem that a few people were having. Me, being a computer geek and not knowing much about cars, I was curious as to what the heck piston slap is and how does it sound?

Daniel

 

This is from the home page of this site, if the link doesn't work goto the home page and you will find the spot.
Tom
https://www.f150online.com/f150board...ML/000833.html