Rarely does an automotive part offer the best of both worlds, but we think exhaust cutouts can often deliver on that promise. Generally, we all like loud exhaust, but there are times when 90 dB is ...

EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that does as the name implies: recirculate exhaust gas back into the engine’s intake manifold for a return trip to the ...

When it comes to the many variables of combustion inside an engine, engineers measure the timing of key events in degrees of crankshaft rotation, a relative frame of reference that remains constant ...

Last issue we covered the basic purpose of a turbo system’s wastegate, as well as taking an in-depth look at the design and manufacturing challenges associated with producing top-quality wastegates ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...