RS cars continued from previous article…. Porsche now targeted the FIA Group 4 GT class, in doing so the 911 2.7 RS was developed into a dedicated race Car; the 2.8 RSR. Of the 1,580 2.7 RS cars built only 55 were diverted to Porsche’s race shop Werk 1 for conversion to the 2.8 RSR. Distinguishing features included the much larger fender flares (the widest allowed by
areas to tolerate the demands of the additional performance and a lightweight roll cage was fitted. The attention to detail in this weight saving cannot be emphasized enough. Porsche had a long history of effective methodology around weight saving and this knowledge was brought to bear on the 2.8 RSR. And this….
the rules) to accommodate the massive 9” front and 11” rear Fuchs wheels. The front air dam was redesigned and now housed a large external oil cooler. Remarkably the RSR was almost 140 pounds lighter than the 2.7 RS. This was no easy task as it also had to be strengthened in three key
VANCOUVER ISLAND — PORSCHER
OCTOBER 2020 Page 25