While our personal choice for a roadgoing Le Mans car would be a street-legal Porsche 907, in a pinch, we'd settle for a 962. The Dauer people read our minds back in 1993, and continue to pump out the odd road-homolgated version of Porsche's six-time 24 Heures-winning coupe. Five seconds to 120? Yes, yes. We'll have that.
Dauer 962 LeMans [Supercars.net]
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The Flying Bus: Edo Competition's Porsche Cayenne Turbo [Internal]