I have noticed my truck has started ticking bad after it is warm . Did a lot of google searching on all forums and couldn't find an answer why it does this. I was planning on keeping this truck for a long time but now I'm worried . Does anyone have one of these ticking engines that has put some serious mileage on it ? Makes me more mad that Ford says this is normal . Yet not all 6.7s do it so it can't be normal .