Are you running the red BLX180 esc, or something else?
I've taken my Talion to the track several times. The BLX180 has a bad case of throttle lag. Bashing, it is no big deal, but for track use, where you need power NOW, and the right amount of power, that lag is a PITA. Upgrading my ESC is high on my to-do list.
A few other thoughts (trying not to repeat Orange)
- Look to other racers for set up tips, spring rates, shock oil weight, diff oils... Team Durango guys would be best, but anyone at the track should be able to get you in the ball-park for these basics. Techno springs fit the Arrma shock, if you can't get TD springs local.
-Tires - Again, talk to the locals, and find the 'right' tire. Tires make a HUGE difference. Buy the tires the fast guys use.
-batteries - Don't worry about 6s. 4s is where it is at for racing.
- Speed - Despite what a lot of new racers think, winning (at a club level) is not about who is fastest. It is about who is the most consistent. Slower is faster, until you can run the whole 10 minute main with no crashes. So 4s, and gear down a bit. If you are crashing more than once a lap, dial the throttle EPA back to 80%, or even 50%. Slower is faster.
-Last - and yes I am repeating Orange here, because it is important - no upgrade beats track time. Practice as much as you can.
Have fun,
Jerry