Very happy with my 285/35/20 square setup for spirited driving. I use my cup 2's for tracking so I can't comment directly on the fitment for tracking. My guess is they will do just fine if you are a novice tracker like me.
Well said @riverfisher. Watch out for the bumpy pavement while braking for the backstretch chicane. Things can get very exciting very quickly... Understanding and being able to use the techniques learned in the exercises, especially threshhold braking, can pay off in spades when braking from...
Check your fuses. If they have not blown, pull the applicable fuses for a few days to take power off the circuits in hope they may dry out without creating the potential for more short circuits. If that does not work you may indeed have to replace the affected components.