[Pampered-Z]

Your fighting 3 conditions:

1) Dew on the track, but probably the least effect. Most often the Dew will effect faster cars past 1/2 track. Probably because they have the suspension to hook harder off the line. But when you see dew on your car you need to realize the track will be going away and dial up accordingly, you're going to need to soften your launch.

2) Loss of heat in the track. Once the track surface starts to cool no VHT is going to really help. They would need to drag, reglue and drag again to attempt to get the surface back. And if the surface is too cold even that isn't going to help. Getting the track to bite in the cold isn't an issue of spraying VHT, it needs heat as well to really get sticky.

3) Bald spots. Once street tires start spinning in turns into a snowball effect and the rubber is pulled off the starting line and it continues down the track. Again, you would need to dust/drag/glue/drag to fix it. And would probably last one round ( after everyone waiting 30-40 minutes to reprep the track.