The rotary engine is easily one of the most controversial automotive engines. There's a pretty interesting explanation for ...

Four-stroke engines, which make up 99% of engines on the road, need to breathe: air in during intake, sealed tight during ...

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

The displacement wars are nearing an end, and Ford has proved loyal to its its V8 configuration. The light, powerful Coyote ...

They are designed for engines over 400-ci and come with 2.080-inch intake valves, 1.600-inch exhaust valves, and the all-important CNC-porting. See All 10 Photos The combustion chamber also ...

Let’s talk about how bore and stroke affect air quantity and velocity. If we look at two engines running at the same rpm, the one with a longer stroke (undersquare) has its piston flying up and down ...

the air-intake hose or the throttle body; it is often also going to the valve cover (perhaps the other one on a V-type engine). This hose, which is called the breather tube, is an air inlet to the ...

Here’s a Nissan 300ZX with a targa roof and a 3.0-litre twin-turbo V6 boosted to 430bhp. Those tasteful aftermarket upgrades ...

Even a powerful BMW G80 M3 can't escape human error. One owner's washing routine led to a smoking exhaust and limp mode, revealing a critical lesson in car care.

The top camshaft companies weigh-in on the best camshaft specs for six different V8 engine combinations from mild to wild, ...

Two million Q3s have been sold since the model was first introduced in 2011, and last year, even though the current model has ...