Dotini
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- CR80_Shifty
Fangio won the 1955 Italian GP at an average speed of 128.494 mph on the combined circuit, some 40 mph too slow to be the answer.I'm going to stab at this again and say 1955 Italian Grand Prix won by Juan Manuel Fangio in a Streamlined Mercedes. I can't find average speed but some digging could pull it up.
Please see the hint I've edited into post #4499 which should make the solution rather more obvious.