In 1961, a new engine regulation was introduced to replace the 2.5 litre rule that had been in place. The new regulation stipulated that engines used in Formula One cars could now have a maximum capacity of 1.5 litres.

This change in engine regulation was a significant shift for the sport, as it meant that teams would have to rethink their engine designs and strategies. The move was made in an effort to promote innovation and competition among the teams, as well as to improve safety on the track.

One of the key reasons for the change was to encourage the development of more efficient and powerful engines, which would ultimately lead to faster and more exciting races for fans. The move also aimed to level the playing field among the teams, as it required them to adapt to the new regulations and come up with innovative solutions to stay competitive.

For more information on the new engine regulation that replaced the 2.5 litre rule at the start of the 1961 season, you can visit formula1.com or fia.com.

Overall, the change in engine regulation in 1961 had a significant impact on the sport of Formula One, leading to new challenges and opportunities for teams and drivers alike. It marked the beginning of a new era in Formula One racing, one that would see continued innovation and competition in the years to come.

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