Yep!! Both my neighbors are diehard Ford guys one has about 5 Ford f250 5.4s sitting in his yard and he literally has a dump truck full of blow Ford engines most are 5.4s he finally wised up and bought a brand new 3500 dually Chevrolet duramax.
The other neighbor has been thru 4 engines in two trucks in the 8 years iv known him he has one setting in the bed as we speak that just got replaced. All four where 5.4 Tritons and all four blew plugs and cracked heads.