Mark Blundell has now opened up on the costly decision that likely denied him any shot to become a Formula 1 drivers’ champion with Williams alongside Damon Hill. The 57-year-old cut his teeth in the world of Grand Prix racing as the test driver at Williams in the early 1990s. Blundell initially made his name driving for Nissan in the World Sportscar championship in 1989 and 1990. He only then moved onto the F1 grid for Brabham in 1991. Williams had already signed Blundell as a test driver before he put the #24 Nissan R90CK on pole position at Le Mans by six seconds in 1990. His plan was then …