1981 Lola T600 GTP Chevrolet First Ground Effect Prototype In Action

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The Lola T600 was the first closed cockpit prototype to incorporate ground-effect tunnels, the aerodynamic configuration that was introduced in 1977 with the Lotus 79 and then became standard in Formula 1 in those years, and it was developed following the new IMSA GTP rules introduced in 1981, superseding production-based ‘silhouette’ cars like the Porsche 935. source/image(PrtSc):

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