Since these sticks are using Micron, perhaps take a look at these two thread for some info on overclocking newer Micron stuff.

These are for the regular sized PCB. There's stuff there towards the end on the 2x8GB kits:

http://www.xtremesystems.org/forums/...1.5V-DDR3-Kits

These are the low profile, lower voltage, but there may be something mixed in on the regular kits, as well.

http://www.xtremesystems.org/forums/....err-Ballistix!

Also look for here...these GSkill Ares 2x8GB kits are using Micron chips so there should be some similarities:

http://aphnetworks.com/reviews/g_ski..._16gab_2x8gb/2