it was very unsafe at that time, Jim Clark died in that car, not long after this film was made. and it took the drivers as a whole to say, "that's it!" we are not driving these death traps any more. it was the days of lets save weight so at times they would use a 1/4-20 bolt instead of a 5/16-13, Jim Clark was all by himself at top speed in that green and yellow Lotus when it just drifted off the track and into the tree's at 180+