Originally Posted by Matej

Extending the FLCA would generally be the best.
For me personally the main reason is that the wheels do not rub on the wheel wells when turning in as they would if I achieved the same wheel fitment through the use of a larger spacer. In fact, I have my camber plates set to the maximum positive setting, to move the pivot point as far away from the wheel well as possible.

Then again, most of my setup is to have a usable over-lowered car, I am sure someone else can chime on what is best strictly for drifting.