Walter Röhrl
With Sandro Munari they were unbeatable from 1975 to 1977 with the 24 valve Ferrari V6 engine. In 1978 (with a 12 valve engine from that year on) they had a definite off-year with just Michèle Mouton surviving to the end. In 1979 they won again with Bernard Darniche in a semi works Stratos and in 1980 Darniche was second, behind what could be seen as an internal (corporate FIAT empire) competitor: the Fiat 131 Abarth of Walter Röhrl...