The most important tool would be the cam holder, it's a tool that will keep the cams from moving while the gears and chains are off. Ford says "engine damage WILL occur" if it is not used as the 4.6 is an interferance engine. Do you have a Factory service manual? I strongly recommend that you have one before you start, check out the eBay stores. Chilton and Haynes will only provide enough information to get you in serious trouble.