Supercars stewards explain perceived inconsistency

The 17 psi minimum has been a factor across the last two race weekends, the hot weather in both Darwin and Townsville helping teams bleed tyres to a lower true pressure.
However there have been two instances of teams being caught out by lower-than-expected rise in temperature on the way to the grid.
In Darwin, Nick Percat was left sitting on the grid with two tyres under 17 psi, his Brad …Keep reading