Frank.JD.Perez
Legend
They aren't being made anymore mainly due to inefficiency. That's why cars like the m5/6 use a twin turbo v8 instead of a v10 like the previous generation and the new Ford gt uses a twin turbo v6 instead of a supercharged v8. It's all about efficiency and doing more with less. Why else do you guys think most manufacturers are using turbos in almost every thing. Even their kids tricycle at home has a turbo. Because racec-... oh...wait... motorcycle?...racecycle?... hmmm...