Rolls-Royce Limited its unreliable Rolls-Royce Vulture engines), Vickers Wellington (twin-engine); it also transformed the American North American P-51 Mustang into a competitor for the best fighter of its time, its engine a Merlin engine built by Packard under licence. Over 160,000 Merlin engines were produced, including over 30,000 by the Ford Motor Company at Trafford Park, Manchester. During the war most Rolls-Royce flight testing of engines was carried out from Hucknall Aerodrome. The Merlin crossed over into military land-vehicle use as the Meteor powering the Centurion tank among others. Many Meteor engines used engine blocks and parts that failed requirements for high
Rolls-Royce V8 engine the L410I, denoting fuel injection, the L410IT (for Injection Turbo) and the L410ITI (for Injection Turbo Intercooler). 94MY (model year) saw the introduction of a serpentine drive belt front-end, revised combustion system and an integrated engine cover. Developments of the L410 continued in production to power Rolls-Royces and Bentleys until the adoption of BMW V12 power by Rolls-Royce in the Silver Seraph and, subsequently, after BMW was granted a license to use the Rolls-Royce brand (for automobiles) in the Goodwood-produced Phantom. The L410 engine is still used by Bentley well into the 21st century, having been brought back into production