V-8 EcoBoost

I really want an F-250 with maybe a 4.8 or 5.0 ecoboost V-8. itd have 3 turbos. (low end torque, high RPM HP and freeway mid RPM) this gives the user. high torque at low RPM, lots of horsepower and fuel economy to spare. that is why i would love to see a V-8 ecoboost.