There is one level of automotive insanity where engineers spend thousands of hours to precisely engineer a car that can go incredibly quickly like the folks at PaganiPaganiItaly, 1992 > present2 models
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. Then, there is a whole different level where a bunch of people finds a big engine and decides to shove it into a tiny, light car. This 580hp, wide body Fiat 500Fiat 500Italy, 1957 > present15 versions
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falls into the second category. 

Oemmedi Meccanica, a tuning shop in Ocampo Morino in the Lazio region of Italy, has been working on Fiat 500s for quite awhile, but it began creating wild 500s nine years ago. Father and son Gianfranco and Leonardo visiting the Bologna Auto Show, and Leonardo told his father that he wanted to build a 500 with a Porsche engine. They set to work and created the a 500 with a 3.2-liter PorschePorscheGermany, 1931 > present43 models
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engine, and it was still able to seat four people.

From there, they crammed a 3.0-liter FerrariFerrariItaly, 1947 > present233 models
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V8 into a 500. Their most recent modified 500 uses a LamborghiniLamborghiniItaly, 1963 > present32 models
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6.2-liter V12 from a MurcielagoLamborghini MurcielagoItaly, 2001 > 201010 versions
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with 580hp. 

It keeps the transmission, brakes and all-wheel drive system from the Murcielago, and the engine is sits on a custom sub-frame in the rear just inches from the driver's head. The body is made from sheet metal. 

It rides on Lamborghini 18in wheels that are 245mm wide in the front and 335mm wide in the rear.

The team behind the car estimates that it took 3,000 hours of work to complete the project. 

When not creating insanely modified Fiats, Oemmedi Meccanica also restores classic FiatsFiatItaly, 1899 > present159 models
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, modifies engines and does chrome electroplating.

The first video below shows the car starting up and shooting flames out of the tailpipes, and the second shows what it took to build it. 

Source: Yahoo Autos