It was also felt that the outcome of the race had been too dependent on the use of Michelin 's detachable rims .
The ACF decided that too much pressure had been put on drivers and riding mechanics by forbidding others to work on the cars during the race .
ACF was also felt that the outcome of the race had been too dependent on the use of Michelin 's detachable rims .
The ACF decided that too much pressure had been put on drivers and riding mechanics by forbidding others to work on the cars during the race .