Apparently, Ford seriously underrated the engine.
The guys who swapped one into a Cobra Jet claim 500hp/500ft-lb.
Stock 7.3L Ford Truck Engine Pushes Mustang Cobra Jet to a 10-Second Quarter-Mile
The guys who swapped one into a Cobra Jet claim 500hp/500ft-lb.
Stock 7.3L Ford Truck Engine Pushes Mustang Cobra Jet to a 10-Second Quarter-Mile