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 ...

Ever-evolving emissions rules have resulted in several significant shifts in car design, although this is far from a new phenomenon. Regulators have been looking for ways to make cars more ...

Improper blow-by control can lead to oily breather and valve covers. Is improper control of blow-by gases in your crankcase causing problems in your engine? If any of these questions below sound ...

We didn't get 10 miles down the highway with our new 496-inch big-block before the smile faded and turned to a frown. The rearview mirror told the story: We were trailing a noxious cloud of oil smoke ...

The Freelander 1’s BMW-sourced four-cylinder Td4 diesel engine is a simple motor to service yourself, as we saw in our service guide last month. In many ways, the top-mounted oil filter and the easily ...

Rigorous SAE/TMC Type II fuel economy testing by Auburn University showed a 3.5% improvement in fuel economy for a Class 8 tractor fitted with a new aftermarket closed crankcase ventilation (CCV) ...

A new closed-crankcase filtration system from Donaldson Co Inc eliminates engine crankcase emissions and improves the operating efficiency of diesel engines A new closed-crankcase filtration system ...

There are few critical choices to make in terms of the latest heavy-duty trucks, such as whether you should opt for a 6.4 HEMI or a 6.7 Cummins for your RAM 2500 engine. But one of the ...