Erben Engineering, located in Großen Buseck, Germany, completed their Opel GT project we first mentioned back in March. The goal was to build a serious track car and it appears they achieved it. They started with a Opel GT (Pontiac Solstice/Saturn Sky) and replaced the factory 2.0L Ecotec with a 6.2L LS3 V8. Then they went on to upgrade every other component to handle serious racing. Take a look at the amazing work below and if anyone is interested in owning it, the builder is looking to sell.