AMD Overdrive

Is AMD Overdrive safe for overclocking the FX-6300 on a Gigabyte GA-990FXA-UD3? I plan to go to about 4.2Ghz. My CPU Cooler is Phanteks PH-TCD12DX.

there is an auto tune for that,
you can use this for a general oc
http://www.youtube.com/watch?v=MckeAmnDeTk
doesnt matter if you dont have the fx8350.
your fx6300 is still a pretty powerful oc'r