After that season the decision was made to take Peerless' car into international racing, entering the 1990 24 Hours of Le Mans.
As a result, several factory teams entered the 24 Hours Nürburgring in 2003, and Strycek won together with three of his employees.
Due to developmental and logistic reasons the R18 did not enter the 2011 12 Hours of Sebring.
In March, the team entered the 12 Hours of Sebring, and improved their qualifying record with a fifth place starting position.
That year he also entered the 24 Hours of Le Mans, but his team failed to qualify.
He also entered the 1981 24 Hours of Le Mans.
They were also the only team to enter the 24 Hours of Le Mans, where they unfortunately failed to finish.
They were allowed to enter the 2008 24 Hours of Le Mans because of this but the entry was not taken.
He also entered the 24 Hours of Le Mans many times from 1966 until the 1980s.
They also entered the 6 Hours of Watkins Glen, finishing 7th in class and 21st overall.