lovemyRS6
The Audi RS6 quattro engine (2002 - 2004) is reported to have been developed & manufactured by cosworth. However it feels like the evidence has been erased of cosworths involvement in this unit.

Does anyone, anywhere know what remit was given by Quattro Gmbh to Cosworth and what the technical / mechanical details of their involvement.

for clarity it was the 4.2 V8 40 valve bi-turbo unit developing either 450 or 480 bhp.


Any help appreciated. IMG_7770[1].JPG 
tdunning
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troberts
I believe it was for the manufacturing technical expertise more than anything else.

Cosworth had (and continue to have) extensive experience with both cast aluminium engine design as well as turbocharged development work. The exact remit will remain an industry secret, but the result was certainly something special! 

Cosworth Support
Cosworth Electronics 

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