well to do it your self it will require a timming tool kit from either snap-on or miller. If you mess with your timming very much the 2oo clams kit would be useful but if you just have it set once you would be better off to have it set by a shop or someone who has the kit.
Also, the engine fuel knock will increase with the advance timming, and my fuel milage went up a little.
I lost just a little power doing this but was not that much, just slid the plate to get the power back.
Adam