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kach22i kach22i is offline
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Join Date: Mar 2004
Location: Michigan
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Garage
Mark Donohue and the Porsche 911 RSR IROC
Porsche 911 RSR IROC | Mark Donohue | Dutton Garage
Quote:
The IROC

In October 1973, twelve of the top drivers in the world were invited to compete in IROC, the International Race of Champions....................

But a car that could live up to the occasion was now needed.

Quote:
What Donohue helped steer the development of was a hybrid of the 1973 2.8 RSR and the 1974 3.0 RS.
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George, Architect
Old 09-16-2016, 05:46 AM
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