Most people that get an 818C kit car will follow Factory Five’s building instructions and put a Subaru Impreza powertrain in it. But not the guys from EV-Controls.com, for obvious reasons.

It was a chilly 26 degrees when we got off the plane in Flint, Michigan, as we prepared for the three-day build school that Factory Five sponsors at Mott Technical School in nearby Howell.

Take, for example, one plucky company that combined Factory Five's 818C kit car with powertrain ... In fact, this entire build is the result of EV-Controls putting its own hardware to good use.

But Factory Five has a Subaru-powered alternative that might catch your eye. Called the 818C, it's a tube frame kit car with a fiberglass body and a Subaru WRX or WRX STI engine mounted right ...