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On the surface, it would be difficult to find two machines that share less in common than the 2009 Porsche 911 and the latest Ski-Doo MX Z X snowmobile. But dig a little deeper (into their engine bays) and things start to show a few similarities, most notably the use of direct injection. After taking a little detour explaining how direct injection came about in Germany during World War II, the scribes at Winding Road put the two DI machines up against each other for some impromptu non-instrumented drag racing.

In one lane, we have the twin-cylinder, two-stroke engine in the Ski-Doo that displaces 600cc and sends 120 horsepower to the single studded rear track. Across the aisle sits a 3.8-liter flat-six engine from Porsche that puts out 385 raging ponies and sends power to all four wheels. Surprisingly, the two heavyweights proved to be evenly matched in straight-line acceleration when each was placed in its proper element. Read the whole story here.

[Source: Winding Road]

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