Since I'm new to on-road I've got a few questions on my Esc / Motor setup.

Esc used is the Hobbyking HK-Sens-60, motor used is the Turnigy Trackstar 13.5T with adjustable timing.

First off I'm wondering whether or not to use drag brake.
For offroad I never used it, but I think it might be useful here.
Do you guys use drag brake (and if so, how much ?) ?

Then - the motor has adjustable timing (which afaik is fixed across all rpm's), the Esc has adjustable timing (Which if I'm correct is dynamic - the timing advances with the RPM's ?)
I figure setting the timing to high in the Esc would be good - or wouldn't it ?

Also, I happen to have a spare Hobbywing Sct Pro Esc (150A) - quite a different beast than this Hobbyking 60a, but looking at the Turnigy motor specs (Max amp draw 37a) it wouldn't do any good to use the bigger, heavier Hobbbywing instead of the Hobbyking, or would it ?