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Whereas once Audi Sport and Porsche Motorsport shared virtually nothing between their R18 and 919 LMP1 programs, the modern era of LMDh prototype development ahead of the 2003 racing season will see the two Volkswagen Group marques (and possibly a third likely Bentley or Lamborghini) share chassis construction and engine. Since Porsche Motorsport has begun to reveal details of their version of the project, much of what is shared confirms ...