Siegfried Spiess Motorenbau GmbH
Dieselstrasse 11    D - 71254 Ditzingen
Phone +49 ( 71 56 ) 95 61 - 0
Fax +49 ( 71 56 ) 95 61 - 11

A 280bhp-unit called F09

280bhp at 8,500rpm – these are just two details of the impressive features of the new engine project worked on at Spiess under the project name F09. The new power unit is based on Volkswagen’s 2.0-litre TFSI engine. This unit that already is very powerful in its production version also is used in a motor-racing spec in the ATS Formula 3 Cup but there, it is equipped with the push-to-pass system.

The new F09 engine is perfectly suited for the use in LMP3 sports cars but also for touring-car appearances of the brands Volkswagen and Audi. When used in open two-seated sports cars or Formula 3 single-seaters, the engine also represents a perfect power unit for hill climbs. Its most significant features: powerful, reliable, rugged and low-maintenance. It may cover some 2,500 kilometres before it needs a revision and in the hill-climb sport, you usually need two or three years for such a mileage.

The most important alterations executed by the Spiess engineers on the close-to-production engine are the ones on the crank shaft and the piston rods as well as the refining of the cylinder head. With its horsepower output of 280bhp, the F09 also is perfectly suited for the use in the rally-cross sport.

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Construction 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.
Manufacturing 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.
Quality management 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.
Engine manufacturing 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.
Test bench 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.