One to Buy: ex-Harry Blumer / Edwin Kofel / Edy Brandenberger 1974 Porsche 911 3.0 Carrera RSR
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Porsche’s domination of 1970s GT racing initially came about thanks to the creation of an ultra specialised Renn Sport 911 designed to exploit the Group 4 regulations, approval for which required a production run of 500 cars.
Whereas other manufacturers simply homologated their regular road car offerings, the Porsche 911 2.7 Carrera RS was conceived purely to pave the way for the most extreme racing iteration possible and did so to great effect.
The competition version of the 2.7 Carrera RS produced for the 1973 season was the 2.8 Carrera RSR which cleaned up in every championship that Porsche and its customers chose to contest. The following year an evolution model emerged, the 3.0 Carrera RS, which in turn spawned the even more extreme 3.0 Carrera RSR which came to be regarded as arguably the ultimate normally aspirated Group 4 car of the 1970s.
As a consequence of its immense effectiveness, Porsche managed to sell 56 examples of the 3.0 Carrera RSR between 1974 and ‘75, one of which is currently on the market at the Canepa showroom in Scotts Valley, California.
Configured in the unusual but spectacular shade of Kelly Green, chassis 9114609053 was originally supplied to Swiss privateer Harry Blumer who went on to win the 1974 Schweizer Meisterschaft.
Blumer’s countryman, Edwin Kofel, then campaigned the green RSR during the 1975 and ‘76 Swiss championships, after which it was sold to Edy Brandenberger who secured the car’s second Schweizer Meisterschaft thanks to a dominant 1977 campaign.
Edy Brandenberger ran 9114609053 for one more season in 1978, after which the car was placed into storage where it resided for almost 20 years.
Having since been restored to a very high standard, this exceptional two-time Swiss Championship-winning RSR is offered in race-ready condition fresh from a major overhaul.
