For 18K and your Solstice, Mallett Cars will put a 400hp LS2 with a 6 speed and upgraded suspension.....sounds like a deal and a half for 40K total....of course, if 400 hp in a car that small isn't enough, a blower, or turbos, your choice, are optional.....
http://www.mallettcars.com/news-6-16...icedetails.htm