In an engine, the relationship between the valves and the pistons is a precarious one. If there is too little space, they can collide. If this happens, the resulting carnage require replacing one of ...

You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.

Adjusting valve clearances is simple, right? They can be, as long as you follow what Honda has to say about them. If there's one thing Honda says to do when it comes to adjusting those valves, it's to ...

Q:I have a 2006 V-6 4Runner that now has more than 105,000 miles. Should I have the valves adjusted? Everyone I talk to says not to bother, and that it costs too much. A:Toyota recommends a valve ...

Mercedes-Benz has been granted a patent for an internal combustion engine that includes a crankshaft, camshaft, cylinder, piston, gas exchange valve, valve clearance compensation device, and a control ...