Specifications Engine Pagani Huayra-Mercedes - AMG Benz's division provides the engine of the Huayra. The 5,980 cc, twin-turbo, 60 ° V12 AMG M158 is shared with the Mercedes-Benz SL65 AMG Black Series, but has been modified at the request of Pagani to reduce turbo lag and improve response, realized with smaller turbos, intercooler piping a different configuration and re-ECU programmed settings.
Like many high-performance cars, the dry sump lubrication uses Huayra. This has several key benefits including guaranteeing oil flow even when the car is subjected to extreme lateral acceleration, preventing "oil surge" which allows the engine to operate more efficiently while the lack of an oil pan allows the engine mounted lower, lowering the car's center of gravity and improving handling.
A water/oil heat exchanger reduces engine warm-up times on cold days and helps maintain a stable temperature for refrigerant and lubricant. To minimize the use of pipes and fittings (and the overall weight of the vehicle), the expansion tank is mounted directly on the engine. Intercooler fins act as an expansion tank circuit at low temperatures.
The titanium exhaust system was designed and built by MHG Fahrzeugtechnik-.[4] the Hydroformed joints were developed to reduce back pressure and ensure a free flow exhaust. Titanium reduces the weight of the exhaust system while the Inconel silencers improve reliability in the most exposed parts of the exhaust at high temperatures. The entire system weighs less than 10 kg.
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