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Meet Thor, a 4.0 liter 4-cylinder that cranks out more than 1,500 hp

What comes to mind when you think of a 4-cylinder engine? Most people either picture a tiny economy car or a crash up derby.

Meet Thor, the 4.0 liter 4-cylinder that knocks out a bit more than 375 hp per liter.

(image source; Elmer Racing)

Built by Elmer Racing in Finland, Thor will be hitting the market soon with a sticker price somewhere north of $140,000. This monstrous engine was built for top motorsport, specificially hillclimb and time attack runs.

“A V-8 engine designed for racing can have a very high torsional rigidity. And lots of race classes have minimum weight limits, which create a necessity for very high powered (expensive) engines, with less importance on weight. Racing v8 engines suit these kinds of classes well,” Elmer racing explained in an interview with The Drive. “However, for unlimited class racing the weight penalty of a v8 is unacceptable.”

Thor will be ready for the 2018 World Time Attack Challenge and used in Rod Pobestek’s Porsche 968 RP968. Elmer Racing expects Thor will run comfortably even at a whopping 10,000 rpm.

Learn more about Thor’s development in the video below.


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