I have been trying to compile information on how to perform this on our phones. I do not want to hear about battery life or anything like that. I obviously KNOW that making an iPHONE run faster than it is supposed to is going to make battery life go down. With 3.0 going slow I think this is really needed. Plus I know many would like to set the clock a little higher and do not mind some battery loss like me.
You cannot do it through the sysctl.conf. I have tried to get it to load options on bootup with this post: