How are NASCAR engines different from street car engines that allow them to operate at much higher speeds?
:How are NASCAR engines different from street car engines that allow them to operate at much higher speeds? The cubic inches of the engine in a NASCAR race car must be the same as the cubic inches of the street car engine they represent. Other than that there is virtually nothing similar between a NASCAR engine and a street car engine. They use a different engine blocks, pistons, alternators, suspension, electronics, etc. NASCAR engines even run on leaded fuel still. A NASCAR engine can cost over 1 million dollars to build. http://wiki.answers.com/Q/How_are_NASCAR_engines_different_from_engines_in_street_cars How does nitrous oxide help engines perform better? :How does nitrous oxide help engines perform better? Nitrous oxide has another effect that improves performance even more. When it vaporizes, nitrous oxide provides a significant cooling effect on the intake air. When you reduce the intake air temperature, you increase the air’s density, and this provides even more oxygen inside
