Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

Nissan Motor Company has revealed that it has adopted cold spray technology in the production of valve seats, claiming to be the first company to use the process in automotive engines. The Japanese ...

The VGS-20 has gained popularity in motorcycle and automotive engine head work. Valve guide and seat machining systems once were dominant only in aftermarket stock engine-rebuild shops. However, today ...

A cold spray process enables a key change to valve seats, the automaker claims. Hybrids don’t just rely on electrification to increase fuel economy. Nissan introduced a dedicated engine for its ...

Last month, we took you through the tear down and inspection of Gary Schweitzer's '65 200ci six-cylinder engine at JGM Performance Engineering. We learned during the process that 35,000 original miles ...