Supercharged, Fuel Injected V10 Engine, at 1/3 Scale

Nearly three years in the making, behold the raw power and precision of this 1/3-scale V10 engine. Coming in at 125 cubic centimeters displacement, [Keith Harlow]’s fuel injected masterpiece isn’t too far from the size of some motor scooter engines. We doubt the local Vespa club would look upon it as...