User blog comment:Heatedpete/Helicopters in Battlefield 3/@comment-3479148-20111017180930/@comment-2224289-20111019200741

The P-51 is pretty flawed. The Allison-powered P-51B maneuvers quite well for dogfight, while the Rolls-Royce Merlin-powered P-51D seems to deny outmaneuvering, whatever the reason is. Supposedly the P-51D outmaneuvers the Spitfire by a bit