SLOT234 Compared to a normal engine, the engine in a Champ Car has larger pistons and the pistons travel a shorter distance up and down on each stroke (see How Car Engines Work for details). The pistons and connecting rods are extremely lightweight. The level of stress that a Champ Car can exert on the frame is one more thing that makes the engine so critical to success -- the engine is, mechanically, the entire midsection of the car's structure! The United States Grand Prix lasted in Phoenix for three years, but was dropped without explanation by Formula One management. At 900 hp, it has about two to three times the horsepower of a "high-performance" automotive engine.|Formula Satu Musim 2024