I think rear engine is a handicap if you're talking about rotating the car. It's probably advantageous for acceleration, and weight (less piping and linkages to the drive wheels). Sure, rear engine designs are probably more disadvantageous than they are advantageous, but it all depends.
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///M Coupe: RPI Scoop, OE Strut, CDV, Volk RE30, SS Brake Lines, Stromung Exhaust
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