Motor Authority is reporting that the 2010 Mustang could feature a twin-turbo EcoBoost V6 with up to 415bhp. Ford is apparently rushing the engine's development in order to meet the new CAFE fuel economy standards. They go on to report that the EcoBoost engine will be offered alongside a new 5.0L V8. We like the prospect of a turbo-charged V6 with similar or even greater power and torque figures to Ford's ancient 4.6L V8. Presumably weighing less and offering the prospect of carrying that weight further back, we say damn the purists. [Via Motor Authority]