and just to be fair the moment they went from the Windsor 2v to the OHC design 4.6, the increased problems started to show up. but you know what? We all remember fondly the “simple 5.0 Windsor”. I knew a Ford mech. who worked on them from ’87 through about ’89. The 5.0 wasn’t bullet proof. In fact, the 5.0 Mustangs were the service department’s number 1 visitor.