Who were the first pair of drivers to win a race by sharing a car?
Fangio & Fagioli
Engine builders which have had 2 World Drivers' titles?
Maserati - 1954 (sort of) & 57
Climax - 1959-60
Repco - 1966-67
Did they supply engines to 3/4 of the grid or something like that?
They all won on their debut
Is this to do with qualifying on the front row in some regard - perhaps in season openers?
Engine front row lock-outs?