You can pretty much just set the base clock to 160 and you're good to go. Might have to disable turbo boost, but worth trying both ways. Leave the voltages at auto unless there's some issues cropping up. Also, check that your RAM frequency is at whatever it's supposed to be since increasing the Base clock will also increase the RAM freq. At most, you might have to increase the VTT voltage a tad, but again, on AUTO it should work ok.
Actually, I'd recommend manually setting the voltages to what they default to at stock. Perhaps it is just my dislike of "black boxes", but when running a computer beyond spec, I prefer to have complete control. Often Auto will raise the voltage far beyond what it needs, thought this will vary by board.
There should be a Ram Multiplier somewhere (sorry, it varies by board so I don't know the specifics for yours) which you probably want to drop a notch. Otherwise, yes, it is more or less just raising the bclk. Voltages should be able to stay at stock, though turbo may have to be disabled.