In 1967 Porsche put it’s 911 model on a competition diet to bring the weight down by 230 kgs / 500 lbs to 810 kgs / 1786 lbs to produce a new model the 911 R.
A limited run of 4 factory cars and 19 customer 911 Rs were built by Baur at their body shop in Stuttgart with fibreglass paneled doors, bonnet / hood and boot / trunk lid. Additional weight saving was achieved by using plastic door hinges and bumpers.
The standard interior was completely deleted in favour of the bare essentials needed for racing or rallying competition, the lightweight side windows were louvred at the rear.
Power from the flat six motor was raised from the original type 901 130hp to 210 hp using the type 901/22 motor from the 906 Carrera or 230 hp from the four cam type 901/21 motor.
Homologation for the GT class required a minimum of 500 identical vehicles to be built, so with only 24 cars completed the 911 R was forced to run in the prototype class against the likes of mighty Ford Mark IV’s and Ferrari P4s which both had motors more than double the size of the 911 R’s 2 litre / 122 cui flat 6.
As a consequence notable results were hard to come by although the 911 R did score two outright wins the first in the 1967 when Hans Hermann, Jochen Neerspach and Vic Elford shared chassis #3, fitted with a 4 cam motor and Sportmatic transmission, to win the 84 hour Marathon de la Route at the Nurburgring.
The second significant 911 R victory came in 1969 when Gérard Larrousse & Maurice Gélin won the 1969 Tour de France beating the Chevrolet Corvette driven by Henri Greder and André Vigneron as seen in the black and white photo seen above in a 1970 advertisement for Dunlop tyres.
Today’s featured car seen at the 2011 Goodwood Festival of Speed is a replica 911 R that started life as a far more humble 1967 4 cylinder Porsche 912, according to the blurb in the windscreen this car took over 1200 hours to complete.
Thanks for joining me on this “500lb Competition Diet” edition of “Gettin’ a li’l psycho on tyres” I hope you will join me again tomorrow when I’ll be looking at a couple of Porsche 912s.