 When they backed away from their Le Mans effort after a year, AER took the engine and developed it into a customer engine, the P07.The P07 was a 2.0 liter inline-4 with a single Garrett turbocharger, producing over 500 HP initially and 550 HP by 2003.The engine ran strongly through 2007 in the American Le Mans Series and Le Mans Series, as well as the 24 Hours of Le Mans, in the LMP2 class.