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This Portal-Axle Porsche 911 Is Basically a Moon Buggy

When you need to traverse a Chilean volcano in a Porsche 911, you'll need a few modifications.

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andrewkrok.jpg
Andrew Krok
Modified Porsche 911 climbing a volcano
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Porsche has converted a pair of its 911 Carrera 4S coupes into volcano-traversing adventure machines -- in part to test its hallowed sports car in some of the most extreme conditions known to man.     

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And these conditions are definitely extreme.    

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When climbing Chile's Ojos del Salado, temperatures can drop to minus 30 degrees Celsius, and there's only about half the oxygen in the air as there is at ground level.     

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Of course, sending unmodified 911s up there probably wouldn't end very well, so Porsche's engineers worked with Romain Dumas Motorsports to prepare the two cars for the rigors of the adventure.     

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Their interiors were fitted with roll cages, carbon fiber seats and harnesses.    

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Under the bodies, Porsche installed portal axles, a type of off-road suspension that tucks the axles as high up in the body as possible, well above the wheel's centerline.    

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It also boosted ground clearance to nearly 14 inches.     

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The cars feature lower gear ratios for better low-speed control, in addition to underbody panels made from aromatic polyamide (Aramid) fibers, which are also found in body armor fabric and marine hulls.     

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The bodies were also massaged to make room for the portal axles and the chunky off-road tires that wrap around the cars' wheels.     

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Keep scrolling to check out more pictures of these wild one-off 911s.

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