Great, thanks for the info. We have been using Soda/Pop on about a 50 - 50 ratio and it works great until dark.
The dew (in Houston Texas) starts falling and it re hydrates the spray and the track gets real slick. If its less humid we can use more if its a damp night, get ready for some drifting.
We thought we would try powdered sugar and see if it made a difference. In the end Sugar and water is syrup no matter how you look at it and there may be no difference other than cost.
Thanks for the input.