More Air gap will allow the tires to cool off more. It allows more air to pass on the inside of the tire and you dont have the insert which will also get hot hold all the heat into the tire.
2013 USVTA World Champion of the World
MOTIV RC presents the Midwest All-Star Carpet Series....14th year running 2016/17!!!
USVTA National Championship....check it out!!!
Im only responsible for what I say NOT what you understand.