 Two Garrett turbochargers helped the engine put out more than 650 HP.A naturally aspirated variant, the P32, was designed with a range of 3.4 – 4.2 liters with the 3.4 liter designed for the 2011 LMP1 rules package.The P32T engine project sprang from a conversation Dyson Racing had with AER and during its first season was reliable and quick, winning numerous pole positions.