www.QV500.com - Porsche 993 Part 4: 993 3.8 Carrera RS
 

Although regular 911's are enough to satisfy most Porsche customers, a small band of hardcore enthusiasts are always yearning for more power and less weight. Porsche have long since indulged this special bunch of drivers with extreme 911’s that have generally come to be regarded as the most collectable examples of the breed. Nearly always designated with the fabled RS insignia, the 993 line-up was blessed with its very own similarly titled hot rod. Going into production during February 1995, the 3.8-litre Carrera RS remains, for many, the ultimate evolution of the normally-aspirated air-cooled Porsche 911.

   

New parts included additional cross-bracing, thicker fully adjustable anti-roll bars, stiffer steering track rods and cross-drilled and ventilated brakes from the Turbo. 18-inch wheels were fitted and the ride-height was dropped by 30mm at the front and 40mm at the rear. The RS was the first 993 to get Porsche's 3.8-litre Variocam engine, the 3.6 having been bored out by 2mm for 3746cc. Designated Typ M64/20, output was up 28bhp, 300bhp now being produced at 6500rpm. Variocam worked by changing the length of the inlet pipe according to the rpm of the engine and thus greatly improved the efficiency of the air-cooled motor in all respects. Higher ratios were used on the first three gears and the RS was blisteringly quick, top speed rising to 173mph whilst 0-60 dropped to five seconds dead. A few subtle modifications were made to the bodywork including a wraparound front spoiler and body coloured fixed rear wing. There were also deeper side sills, seam-welded body panels and flared wheelarches, thinner glass being used along with a lightweight aluminium front lid. Inside, the normal leather seats were replaced by Recaro buckets with body coloured backs. A smaller diameter steering wheel and simplified door trim reinforced that the RS meant business. The rear seats were junked along with the airbags (now optional), most noise insulation, the central locking and electric mirrors. In this form, the RS weighed in at 1320kg. Customers could further enhance their RS by specifying the Club Sport package. Equipped with even more extreme aero devices, the Club Sport was kitted out with a deep front splitter and huge dual plane rear aerofoil. Weight was further reduced by ditching the electric windows, electric seats and headlight washers, an additional 50kg having been lost in the process.

 
There was no official RSR version because of the GT2 customer racing programme, however, a number of mysterious Club Sport Evolution's were reputedly built. Information on these cars is currently scarce but from what we understand, they were equipped with Carillo rods, titanium valves, slide valve injection and programmable engine management. Output was in excess of 400bhp, adjustable Bilstein dampers and uprated ABS with four piston Brembo calipers having been utilised. An open competition exhaust with quick-change muffler and twin oil coolers in the front wings were other additions of note.