The basic model was a 964 RS built in 1991. At the end of 1993, the car, which had been damaged in an accident, was converted into a Speedster by Porsche development engineers from Weissach. It was converted at the same time as two other vehicles. One of them was for Mr. Ferdinand Alexsander "Butzi" Porsche as a birthday present and another for a friend of the Porsche family.
The construction and conversion included the following work:
First, the damaged body was repaired and at the same time converted to the 993 model using original parts. The roof was removed and the conversion to the 993 Speedster was carried out according to factory specifications. A Strosek hardtop made of Kevlar carbon was adapted and permanently mounted. The company Matter GmbH constructed a roll cage, which was then installed. The conversion to the 993 Speedster was completed in spring 1994.
In 1996, the body was further aerodynamically optimized. A rear spoiler from the 993 Turbo prototype, without raised side edges, was used. The car also received the front spoiler from the 993 GT2. The 993 Speedster was fitted with three-part original "Speedline for Porsche" in 8.5J x 18 at the front and 10.5J x 18 on the rear axle with polished beds and titanium screws with spacers. The distinctive sound results from a special exhaust system with two tailpipes.
In 2001, the following modifications were made:
A more powerful engine (M64.20) from the 993 Carrera RS with 3.8 liters of displacement and 400 Nm of torque was introduced. A new 6-speed gearbox was also installed. The engine now runs on two valves per cylinder. The camshafts are driven by double chains and an intermediate shaft. The warm air duct was rebuilt (without a fan). The rear axle swing arms of the Turbo model were integrated so that the Speedline wheels could be mounted on the rear axle without spacer rings. The front and rear wheel arches were widened and a front strut brace was installed. A completely new exhaust system from Cargraphic with stainless steel heat exchangers was installed. A dished Momo sports steering wheel with yellow stitching also found its place in the interior. Original equipment from the 964 Carrera RS M 001 (carpet model) with three-tone leather-covered original profile bucket seats. The mixture preparation is electronically controlled by the Bosch Motronic 2.1 and has sequential injection.
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