[Don]

" Starting with the cars in the premier Sprint Cup series, Nascar is turning its back on the venerable carburetor, a straightforward mechanical device that has fueled its engines since the competition began six decades ago. Instead, the Sprint Cup engines will be fed by electronic fuel injection."

http://www.nytimes.com/2011/09/18/au...oday.html?_r=1

" The fuel injection systems that will replace four-barrel carburetors on all cars in Nascar’s top-level Sprint Cup series for 2012 will use some components similar to those found on today’s passenger cars and others that are little changed from current racing engines. "

http://www.nytimes.com/2011/09/18/au...scar-v-8s.html