ATS Formula 3 Cup

Challenge Engine made by Spiess

Since the foundation of the German Formula 3 Championship, Spiess Tuning has been closely linked to the series' success story. Again and again, the medium-seized, Ditzingen based company succeeded in implementing trend-setting innovations in the highly complex F3-engine environment. Currently, there is another project running that is extremely important for the future and preservation of Germany's national Formula 3 sport, and again, this project is carried out by Spiess: the Challenge Engine.

The new Challenge Engine will make its debut appearance within the scope of the 2007 ATS Formula 3 Cup season. During the design of the new power unit on Opel basis, the main focus was set on durability and equality of opportunity. 'One engine for the entire season' was the motto. And indeed: Spiess designed the engine in a way that it can be used throughout a season without needing a revision.

To have the chance of delivering on the same level as the other Formula 3 engines, the Challenge Engine was equipped with an air-restrictor increased by one to now 27 millimetres. In the technology area, the Challenge engine was revised in the seat ring area, with the pistons also having been reworked. Changed suction pumps and the adapted oil pressure represented other significant components on the way to designing an engine for the future. The first ten Challenge Engines for the costumers have been ready to collect since late February.

More ATS Formula 3 Cup Messages [2007]

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Design of completely new engines or the enhancement of existing power units –inventive spirit, courage, extensive team work and our huge wealth of represent the basis for innovative results.

Precision components or the refinement of existing components, single copy or small-batch series, solid material or cast material – a diversified service range thanks to an ambitious mix of know-how and new developments.

Out there on the racetrack, the smallest mistake can be crucial. Therefore, special emphasis is placed to a gapless and absolutely precise quality control. No part will be installed without having been subjected to an extremely strict examination.

The engines are individual custom products and are assembled in the heart of the company by a highly qualified team. Here, quality instead of quantity represents the yardstick.

Here, the process represented by development and design, production and manufacturing comes full circle. On the test rigs, the components or the entire project have to definitively demonstrate if they meet the highest standards.