RENNTech has just finished an extraordinary undertaking. The company labored on a 1992 Mercedes-Benz 600 SEL. And it is all about the substantial 7.6-liter V12 that it set under its hood. The 7.6-liter M120 V12, codenamed S76R, is the most impressive by natural means aspirated V12 that RENNTech at any […]