Why performance air intakes might be a great, low-cost investment if you’re looking for more power. Why are aftermarket air intake systems so popular? A related question might be, why replace the ...

In this study, the effect of intake manifold geometry on cylinder-to-cylinder variation was investigated considering the volumetric efficiency, early tumble development, turbulent kinetic energy, and ...

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 ...

There's been a proliferation in recent years of vintage-looking electronic fuel injection setups, simulating the look of side- or down-draft carburetor setups, or the stack-style mechanical fuel ...

Cold Air Intakes (CAIs) are among the most popular modifications enthusiasts make to their cars. Of course, like anything popular, there’s a fair bit of discourse surrounding them. Claims range from ...

GMC is offering a new engine breathing upgrade for the 2025 GMC Sierra 1500, opening up the 6.2L V8 with a Performance Air Intake System. The new factory-installed performance option is tagged with ...

Uniflow scavenging opposed-piston (USOP) engines are different from traditional two-stroke diesel engines; it has high thermal efficiency, high power density, and good balance 1,2, suitable for road ...

Toyota has a strong reputation for reliability, and these are the engines that benefit most from it in 2026.