Try this: http://www.mpgh.net/forum/384-minecr...e-1-1-2-a.html
It works for 1.1.2
P.S. If you try his "How to Install" and it'll work but it'll keep asking you to update the MinecraftForge.zip. if you don't want that do this
1.Download the hack.
2.Go to your FTB FOLDER.
3.Go in instMods
4.Delete the MinecraftForge.zip inside the folder.
5.Rename the downloaded .zip to MinecraftForge.zip and place it inside instMods
6.Run FTB :3