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 ...

Following last month's CFM Plus intake manifold install on the 7.3L Power Stroke, we decided to bring you another easy bolt-on option for your '991/2 to '03 Super Duty-BD Diesel's crank case vent ...

Some of us will remember (or still have) engines with PCV valves. The PCV system basically took blow-by gas and oil vapors from the combustion chamber and funneled them back into the intake 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 ...

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

Cold air intake filters are vital components in aftermarket air intake systems, which are designed to improve an engine's performance by enhancing its airflow. What is a Cold Air Intake Filter? A cold ...