In 1816, engineer Robert Stirling invented his proprietary Stirling engine, an automatic power source operated by ambient heat rather than direct fuel sources like an internal combustion engine. It ...

Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything from performance to maintenance. Riders weighing a new purchase or planning ...

We may receive a commission on purchases made from links. Fortunately, EngineDIY also sells several engine kits that run on real gasoline, kerosene, or nitro fuel, giving builders a more accurate ...

One of the great joys of hot rodding is rebuilding your own engine. But rounding up all the parts and getting them all machined and prepped can really be a headache. There are so many different ...