Complex sentence: Unett sidestepped the Toyotas in the following two years by dropping a class racing a 1300 cc car and went on to win the 1976 British Saloon Car Championship season and the 1977 British Saloon Car Championship season.
Split into simpler sentences: Unett sidestepped the Toyotas in the following two years by dropping a class racing a 1300 cc car. They went on to win the 1976 British Saloon Car Championship season and the 1977 British Saloon Car Championship season.