Hyundai doesn’t currently offer a diesel engine for sale in the United States, so it may surprise you to hear that the brand recently patented some interesting diesel engine technology. According to a ...

My Ford pickup truck has a 6.4L Ford Power Stroke diesel engine, as well as an H&S Mini Maxx programmer, an S&B intake, and aftermarket exhaust. I was looking into buying a crankcase ventilation kit ...

Venting a typical V-8 engine isn't a complex affair. A breather atop each valve cover is usually all that's needed. Of course, replacing one with a PCV valve to introduce a bit of vacuum into the ...

Crankcase blow-by is hot gases that sneak past the piston rings. As of 2007, the U.S. Environmental Protection Agency limits nonmethane hydrocarbons to 0.14 grams per bhp-hr. Blow-by gases are rich in ...

Every engine has some sort of crankcase breathing system. The internal combustion process creates pressure, some of which makes its way past the piston rings-along with fuel vapors-and into the rest ...

If you've taken a trip through the pits at a major drag race lately, you may have noticed that many of the Pro Stock, Gasser, Modified Production and Super Stock cars have begun sprouting unfamiliar ...