Winter does not damage cars by itself. The damage comes from repeated cold starts, thicker fluids, salt exposure, low grip, and rushed maintenance. Most of the costly stuff is slow, cumulative wear, ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for engine cylinder deactivation.

A small hydraulic ram pump installed in Argentina. Note the water flowing out the waste valve, and the small hose which serves as the delivery line. It’s installed directly beneath a pressure… ...