Is the difference in grip between quali and race in Race B ALL about the dirty air? The difference in turn in on the fast left before the uphill sweeping right left fast 5th gear corners is so significant.
Last night, running 3 seconds behind the car in front and nothing behind, my speed around that corner was circa 15mph less than qually. A second or less behind the car in front and I was having to brake to make that apex at something like 110mph (I'd need to check replays). I'm watching a couple of youtubers running that corner at 130+ in dirty air, which is what had me so perplexed.