Enginediy

Most people think a V8 belongs under a car hood. Then they see this one sitting on a workbench, smaller than a lunchbox, and their brain kind of sh...

🚗 For every car enthusiast, there are a few engine legends that transcend time—engines that aren’t just power units, but sym...

A working aircraft jet engine model is a scaled mechanical system that demonstrates how jet propulsion generates thrust. Instead of simply displayi...

Following the success of CISON L4-175 engine and CISON L4-205 engine in February 2025, we are proud to launch the all-new CISON L4-26CC Miniature ...

An Atkinson cycle engine is a type of internal combustion engine designed to improve fuel efficiency by allowing a longer expansion stroke than com...

The main difference between TOYAN V8 and CISON V8 engines comes down to build experience, finishing refinement, and tuning sensitivity. Both are re...

TOYAN engines are working miniature internal combustion engine kits you can build, tune, and run at home. They burn fuel, fire spark plugs, move re...

To Our Valued Enginediy Customers,Warm greetings from the Enginediy team! 🧧As we gear up to celebrate the Year of the Horse (2026) with our...

The RETROL & OKMO Stationary Gasoline Engine Model is a fully working centennial engine model created to honor a stationary engine design that ...

Dear Engine Enthusiasts and Valued Customers,Great news! We’re thrilled to announce the latest production and shipping progress for our thre...