• Preparations inside our workshop
  • Any type of work and repairs
  • Transformations and engine improvements
  • Preparations and installation of sport elements
  • Preparation for the competition
  • Maintenance and regular services on request
  • Power increase


Spécialiste Porsche depuis 1997

We are the specialist in the modification of all kind of race or road Porsche.

Our personal experience in automobile race and our work allowed us to win numerous success in several championship during these last years.

We can provide you a complete car or the installation and assembly of certain pieces such as: complete engine, gearbox, alleviated wheel, increase of the engine capacity, cylinder head, casing, Connecting rods carillo etc…

In our “Preparation” entry, you can find various kind of possible modifications for road and competition: slalom, Coast Race, Circuit, Historic rally.

Our recommandations

Technical advices

Intermediate Shaft Bearing IMS troubles

Problems about Intermediate Shaft Bearing IMS in engines since 1998 could damage badly your motor. We offer solutions before troubles.
More about IMS
Technical advices

Ignition coils. 996 997 Boxster Cayman

Original Beru coils. They are poorly made so they cannot produce a nice spark and they hardly last up to 10'000 km. They produce OBD error codes. We offer solutions for these problems.
More about this recommandation
Technical advices

Porsche 996 997 Boxster Cayman engine

In the 90's Porsche had to switch from air cooled engines to water cooled ones to pass the new EURO 3 norms.The "new generation" engine (water cooled) arrives in 1996 with the Porsche Boxster, followed by the 996, the Cayman, the 997 and the 991.Porsche only had the experience of the water cooled 924 ; 944 ; 968 and 928.
More about this recommandation
RS Workshop Racing Engine Improvement Technology
Jean-Marc Forestier | 1223 Cologny-Geneva - Switzerland | Only on appointment
Phone +41 (0)79 746 01 02 - Please, after 5.00 pm
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