The general track state I think is a bit of an unknown, noted Williams head of vehicle performance Dave Robson. And exactly how the tyres perform at the race starts difficult to know as well.
Dave Robson (1981-1985), Mark Chandler (1989-1993), Steve Delfino (1986-1990), Paul Duke (1980-1984), Robert Miller (1982-1986), Amy Gilmore (1996-2000)