While there are rarer engines that Chevrolet has built, there is none rarer than the one used in this Corvette.

Corvette Racing's perennial success ... This week in Germany, the heart of the C6.R, it's LS7.R motor, was recognized as Global Motorsport Engine of the Year by a jury of 50 race engine engineers.

Read more: The 15 Most Reliable SUVs Of All Time, Ranked The LS7 engine powered the Chevy Corvette Z06 from 2006 to 2013, and it's a big part of why the car was such a good performer. Due to its ...

The LS7 engine puts out 505 horsepower in stock form, so it could really use about twice that. Thankfully the folks at APS (Air Power Systems) developed a twin turbocharger kit for the C6 Z06 ...