[Maroon 6.2L SS]

Hi all. Last weekend I made 5 runs at the dragstrip at a bracket race and I spun during three of those runs on the launch. It was upper 60s here in MI. My burnout was the same as throughout the summer where I didn't spin on the launch. My question is, with the cooler weather coming here in MI, should I heat the tires up more or should I lower the rear tire psi some? Or, should I do both???