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McLaren 600LT Engine Overview The McLaren 600LT is powered by the M838T — a 3.8-litre twin-turbo V8 developed jointly with Ricardo. With 600 PS (592 HP) and 620 Nm from the factory, the 600LT is the track-focused variant of the 570S, featuring a top-exit exhaust, reduced weight (1,247 kg dry), and more aggressive aerodynamics. The M838T engine family powers McLaren's entire Sports Series and Super Series lineup — from the 540C to the 720S — with different states of tune and turbo configurations. Despite its supercar status, the M838T responds exceptionally well to ECU tuning. McLaren's factory calibration prioritises progressive...

McLaren 600LT ECU Tuning Guide — M838T 3.8L Twin-Turbo V8 The McLaren 600LT is one of the most capable track-focused supercars in the McLaren Sport Series lineup. Powered by the proven M838T 3.8-litre twin-turbocharged V8, the 600LT delivers 592 HP and 457 lb-ft of torque in factory form — but with professional ECU tuning, this engine has significantly more to give. Whether you are looking for a mild Stage 1 remap or an aggressive Stage 3 build, this guide covers everything you need to know about unlocking the full potential of your McLaren 600LT. At YPG Motorsport, we specialise in...