Saturday 9th August 2008 Motor Cars at 17:00
Viewing: Friday 8th August from 10:00 to 19:00
Saturday from 10:00
Admission by catalogue only - admits two.
The S boasted modifications typical of a higher-performance Porsche: reprofiled cam, larger valves, better porting, loftier compression (9.8:1 vs. 9.0), larger jets for the Weber carbs (which were otherwise much like those given to the base 911 from early ''66).
The result was 30 more horsepower for a total 180 horsepower and torque improved fractionally, to 127 pound-feet, but peaked fully 1,000 rpm higher.
Unlike other models, the S lacked a choke, but pumping the accelerator was usually enough for starting. On the other hand, merely blipping the throttle on the freer-breathing S would send the tach needle zinging to its 7,300 rpm redline. Porsche thus wisely fitted an ignition cutout that interrupted spark to the plug