I have been requested by a viewer to do an overclocking tutorial on the GTX 660 ti or pretty much any other card on the market. I am not an expert and this is just a simple tutorial for beginners. Keep in mind that every card is different out of the box. Sorry im using a really bad mic:D
MSI Afterburner: http://event.msi.com/vga/afterburner/download.htm
TechPowerUP GPU-Z: http://www.techpowerup.com/downloads/SysInfo/GPU-Z/