So a conical might work very well on a small-block Chevy with a 1.6:1 or even a 1.7:1 rocker ratio. Increasing the rocker ratio from 1.5:1 to 1.6:1 is generally worth about 0.030-inch greater ...

To make sure the dual conical valve springs got a good workout, we installed a very aggressive solid roller cam in our 470-inch Mopar big block test engine. Our engine is equipped with Trick Flow ...

As an emerging electromagnetic device, wireless chargers have gained increasingly attention. In wireless power transfer (WPT) systems, the magnetic coupling mechanism plays an important role. A ...