Secrets of speed part3

Audi goes to IMSA GTO series with its quattro.

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Secrets of Speed: Unfair Advantage (Segment 1)
Video from 1990. Story of Audi's quattro drivetrain in rallying, Pike's Peak hillclimb, SCCA Trans Am and IMSA GTO.

INSANE Audi Quattro Sport S1 1000 Lakes Group B Rally (Pure Engine Sound)
This is my favorite car of all time the monstrous S1 the sound the speed is like no other !!!

Hans-Joachim Stuck on Audi 90 quattro IMSA GTO (R5) 1989
Turn speakers on and listen to that infernal sound! Demonstration laps during Hamburg Stadtpark Revival 2008. 4WD, 5 cylinder turbo | 2,190 ccm | 720 PS, 530 kW, 720 Nm, Vmax 310 km/h = 192 mph, 1,206 kg weight

Audi V8 DTM - Hans Stuck (1990)
Hans Stuck is interviewed during his career with Audi DTM. In the 1990s he tasted touring car success, winning the DTM Championship in 1990 with Audi V8