Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?

Is your dealer pushing a $400 fuel service on a truck that’s barely broken in? At 33k miles, is it preventative care or a "stealership" scam? We dive into why your 2022 Ram 1500 might not need the ...

A teardown of Honda’s R18 engine suggests that added complexity in modern powertrains may come at the expense of long-term ...

Fuel Injector Clinic was one of our first stops at PRI when we spotted these massive 3,000cc injectors for drag-n-drive.

Saving a few dollars at the pump could end up costing you much more at the garage in performance, but it depends on your vehicle and surprisingly, location.

Case in point, this Lexus sedan, which also happens to be the brand's most reliable model at the moment. It'll most likely ...

In 1978, General Motors revealed its 'revolutionary' 350 V8 diesel engine... which turned out to be one of the most terrible ...

When it comes to the three main diesel mills we see in the domestic market, there's Ram's Cummins inline-six mills, and Ford ...

We'd heard about 5.7-liter and 6.6-liter versions of the sixth-generation small block. But this one's even bigger.

The reasons inline-5 engines are usually incompatible with carburetors largely come down to two issues: the firing order and ...

Big, naturally-aspirated engines are cool, but not the only way to generate horses. Engineering and ingenuity give these four ...

Porsche patent shows that they have a solution for extending the life of the catalytic converter while also reducing ...