Quattro123.com
Lime Rock Park, CT 1997
Author's First or Second 'Quattro" event in his 1986 4000Q
James Bee Instructing. Uphill towards West Bend.
This particular car made it to about 400,000 miles on the "original clutch".
AFAIK: I bought it around 1993 with ~80,000 miles on it.