Although you can easily find a complete bike engine kit from aftermarket vendors, with all it needs for your Smart ForTwo to be able to beat supercars, here’s what you can do if you have too much time on your hands.
For example, you can take a Toyota Tercel 5EFE engine and transmission, fit it with a Sprintex mechanical oldschool supercharger pushing 28 pounds of boost into the 500 cfm carburetor through an intercooler and have lots of fun.
The total system power will be around 200 hp and judging that the Smart Fortwo weighs around 900 kg, that translates into pure joy. And wheelies, as you can see in the video bellow.
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