During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...

[Asia Economy Reporter Kim Jong-hwa] Every golfer wants to be called a "long hitter." However, the reality is often far from long driving distance. So, how can you increase your driving distance?

Although the road bike can deliver speeds as high as the legal speed of 50 cc motorcycles at speeds of 30 km / h or more, crazy movies that kicked off the world new record of running at an angle of 45 ...

As with most things in life, it’s the details that make the difference. You might not think that a measly degree here or there could make more horsepower when it comes to a valve job, but there’s ...