It depends on whether you are racing in the dry or in the wet. TCS off in the dry. TCS on in the wet, unless you're a pro.

 

I really think it depends. If its raining, turn it ON. If its not turn it off, but you have to be a bit more gentle on the pedal in case your tires start moving but your car doesn't go forward. Sometimes you could loose 1/2 second just sitting there not moving.. So if you know you got a hang of it, turn it off, but until you don't just race with it on. This way you will have a better chance of wining..

ps. I may be wrong, and i would love it if someone corrected my mistakes. I'm not a pro or nothing, this is just what i have found out. Have fun racing, and be safe.

Also, make sure you break in your car real well before you do race or anything. I feel really bad for flooring it when i got the car.

 

You definitely race with the TCS off in dry weather. It gives you a quicker launch but you have to know how to control it or else your wheels will be spinning without the car moving.

 

just got my tl 3 days ago.just wanted to know if you guys race with or without the tcs on.

 

Ive read somewhere that its quicker if you race with the TCS off.