GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...
We share the real reason why modern engines are failing in cars from Toyota, GM, Hyundai, Kia, and Nissan.We cover the major ...
General Motors is discovering that in the modern auto business, a recall is rarely just a technical fix. It is a financial event that can erase quarterly profits, strain supplier relationships, and ...