Listen To The World's Tiniest Engine Sing Its V8 Song

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This compact engine was made primarily out of Lego pieces.

Lego has previously built functioning engines, but one fan of the Danish toymaker has taken things a step further with a fully operational V8 motor built out of Lego pieces and several custom components.

Dubbed the "world's smallest working Lego V8," the engine features original cylinders and pistons from Lego, but they've been combined with a bespoke crankshaft and valves, which were designed and made by the builder. Interestingly, the valves were fashioned out of two different tire valve cores.

The crankshaft, however, is partially made of metal and even includes 3D-printed parts. Another Lego engine aficionado made the crankcase, and all these parts come together to create an incredible ode to the internal combustion engine.


Watching it run is a sight to behold, with a characteristic V8 rumble emanating from the motor. Superb sound aside, it's incredible that this little engine operates flawlessly, even when revving at 4,350 rpm. The apparent lack of lubrication makes it all the more impressive and shows the creator put a great deal of thought into this miniature powerplant.

We'd be interested to see how much power this engine makes. Even though it uses non-Lego parts, it's fantastic to see this built out of toy components. It would be great to see this little motor in a toy car, and we can imagine a small Ford Mustang GT whizzing around the living room with this engine pushing it along.


While this is the first time we've seen a working engine made from Lego parts, miniature powerplants aren't anything new. World-class model car producer Amalgam makes some of the finest engine replicas and recently introduced a 1:4 scale replica of the F140HC engine and seven-speed gearbox found in the Ferrari Daytona SP3.

If you're interested in putting your own miniature engine together, a company called Stirlingkit offers scale models that can be put together for some satisfying results. One of their latest models is just 17.5 cc, modeled after a Ford flathead V8.

It's certainly an interesting way to pass the time and should prove rewarding to put together. But we have to admit, we're seriously impressed by the Lego-based engine. Designing it and putting it together is one thing, but the fact that it works reliably is remarkable.


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