Spa-Francorchamps was the fastest road circuit in Europe at the time, and it had a reputation for being dangerous and very fast – it demanded calmness from drivers, and most were frightened of it. The old Spa circuit was unique in that speeds were consistently high with hardly any let-up at all for three to four minutes. This made it an extraordinarily difficult mental challenge, because most of the corners were taken at more than and were not quite flat – every corner was as important as the one before it. If a driver lifted the throttle more than expected, then whole seconds, not tenths, would be lost. The slightest error of any kind carried multiple harsh consequences, but this also worked inversely: huge advantages could be gained if a driver came out of a corner slightly faster.