We talk a lot about chassis setup, building techniques, motors, batteries and even driver skill - but one thing I have never seen discussed on a board is how radio setups affect handling and speed.

Is it meaningless, another big factor or is it meaningless?

There was a thread awhile back with some stuff. Check it out.

http://www.hobbytalk.com/bbs1/showthread.php?t=195125&highlight=radio