This is a great start! The DRS and dirty air numbers are a bit off though, IMO.
I think the DRS speed values are ok, but acceleration values should adjust, a min of 1 just means opening DRS does nothing, and 1.01 max has almost no impact at all, it should be at least 1.1 or 1.5 at a minimum, but probably closer to 1.25. That would be more than the gain they really get, but the problem is that the cars don't follow closely enough out of corners so even if DRS is right there out of the corner it takes a couple seconds for them to even match the speed of the car in front when it should only take about .5-1 second for them to match.
For the dirty air, Frontier did have that more right in terms of "higher speed means less impact", because these cars are using the floors for high speed corners and wings for low speed. The numbers should come down, but I'm thinking .5-.7 for each one probably something like .83, .88, .91.
The tire stuff seems ok, I know you can't futz with that too much without the AI losing their minds and having even worse strategy and even .3 seconds difference between the tires is hilarious but over the course of a run since the AI can't strategize seems much more balanced.