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McLaren M838T & M840T Engine Guide — 570S, 720S, 765LT, 600LT | Tuning Stages & Specs | YPG Motorsport
McLaren's Twin-Turbo V8: One Engine Family, Two Eras of Power Every McLaren road car since the MP4-12C has been powered by a single engine family — a twin-turbocharged, flat-plane crank V8 designed exclusively for McLaren and built by Ricardo in Basildon, England. There is no shared platform with any other manufacturer. No borrowed block from Mercedes or BMW. This is McLaren's engine, purpose-built for mid-engine supercar duty. The family splits into two generations: the M838T 3.8-liter that powered everything from the 12C to the 600LT, and the M840T 4.0-liter that brought the 720S and 765LT into 700+ HP territory. Understanding...