We like this one because it has a real Junkyard Wars feel to it: turning a cast-off fridge compressor into a two-stroke internal combustion engine. [Makerj101] is doing this with tooling no more ...

It was while describing how he engineered his own hall-effect-triggered, ignition-control module that we knew Joachim Hall, or Makerj101 as he's known on YouTube, was perfect for HOT ROD Anything. The ...

Never underestimate the power of a well-stocked junk bin. Along with a TIG welder and mechanical ingenuity bordering on genius-level, all of which come to bear on this fridge compressor to four-stroke ...

EcoMotors International, a startup based in Troy, Michigan, has a new approach to an old idea–the two-stroke engine–which it says is up to 50 percent more efficient than most vehicle engines and ...

Two-strokes are far simpler machines than four-stroke engines. They’re also lighter, easier to work on, and downright angrier, pumping out a lot more power per cubic centimeter of displacement, which ...