General Motors has just been granted a patent by the United States Patent and Trademark office for a two stage turbo setup with variable geometry in an internal ...

Just about every automaker is looking to do everything they can to improve fuel economy and reduce emissions. One of the ways this is commonly happening in cars today is by ditching larger ...

We hear it all the time, that cam profile, intake design or even head porting is for a naturally aspirated motor and doesn't work well on a turbo combination. Is this the reality or simply a crutch ...