Dá pau em F1? Assuntos Gerais atlético em 19/03/14 20:51 The new car’s name comes from its 650 PS or 641 hp (478 kW) power rating, a 25 hp (19 kW) increase from its twin-turbo 3.8-L V8 engine. Naturally, it was no simple matter to find more power in the already strong engine. McLaren’s effort focused on improving the engine’s cooling so that it can run additional ignition advance, reported Executive Director of Product Development Mark Vinnels.McLaren upgrades 12C with 650S performance variant - SAE International