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Group Description

Welcome! This group is dedicated to the preservation and enjoyment of Porsche 911 factory "Turbo-Look" Carreras built with Option M491. All owners and Porsche enthusiasts welcome!



These special order Carreras contain many suspension and body upgrades developed by Porsche’s competition department. The 1973 RSR 2.8 Carrera was the first example of Manufacturing Option “491” developed specifically for Group 4 road racing. This track-dominating car appeared on the scene with bulging fenders, looking like a “wide-bodied” 911 on steroids. One notable chassis improvement was the relocation of rear suspension mounting points. This change in suspension geometry and rear trailing arms kept newly developed 11-inch rear wheels and tires firmly planted on the road. Stopping power was vastly improved by using drilled and vented rotors with finned 4-piston calipers originally developed for the all-conquering 917. Over the years scores of victories would be won by many a 911 with the famed M491 option. During the late seventies, Porsche quietly began offering “Turbo Look” street cars; most being produced between the years of 1984 thru 1989. Heavier than original track cars, but incorporating similar production parts; every factory “Turbo-Look” Carrera has a unique pedigree and connection to these legendary racing cars and their variants by virtue of its recognized M491 option build code.



Please take a moment to join us! Help locate and preserve remaining examples of what some feel to be one of the best air/oil-cooled 911 Porsches ever built. Based on the original 911 chassis, they remain a bench mark of one of the finest evolutionary examples ever offered to the general public.


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Group Information

  • 627
  • Porsche
  • Mar 21, 2002
  • English

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