With a sonorous spin up of its 4-liter naturally aspirated flat six, José Silvino Pires' 911 GT3 R racer blasts a small layer of rear tire rubber into smoke and blasts away from the start line of the Rampa da Falperra hillclimb. This car started life as a specially prepped race car built for the GT3 class of international sports car racing. Porsche …
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