So I always thought that the '91 Audi 200 Quattros all had the 20 valve
head. Now I've had a couple of people tell me or act as if some '91s had
20 valve heads and some had 10 valve heads. What's the deal?
-Eric Harman (ericha@wrq.com)
'90 Mazda 626 Touring Sedan GT
'91 Audi 200 Quattro 20v
'91 Mazda Protege LX (for sale)