sentences:  By the standards of McLaren's recent cars the MP4/9 was a disappointment, failing to win any races (the first time McLaren had failed to win a race since ) and hampered by poor reliability and performance from its Peugeot engine (taken from the Peugeot 905 sportscar that won Le Mans twice).Early in the season, Ron Dennis had believed rivalry between the French manufacturer and compatriots Renault would lead to rapid development and performance.As the season progressed the engines suffered regular and frequently spectacular failures (including at the British Grand Prix where Brundle's engine erupted into flames within a second of the green flag), and causing the team to doubt Peugeot's commitment to the project.