IndyCar engines must weigh at least 248 pounds, and the car at least 1,570. So that's exactly what teams aim for and not an ounce more. We spoke with two of the men most responsible for the 2.2 ...

The image above shows a P-V, or Pressure-Volume, diagram for an ideal and typical gasoline engine. It shows, visually, what's going on in your engine as it burns gasoline.

One of the rotary engine's biggest champions, AIE has been advancing rotary design since 2012. Its latest release shows that Wankel engines can be a perfect fit for compact, power-demanding ...

Editor Steven Rupp looks at how to build a 415-inch stroker LS3 engine and make 600+ hp!

The world's biggest piston engine doesn't go in a car, or even a plane, and it packs enough power to put most other engines to shame. Here's what we know.