Overclocking 960 with X58 SLI

Hey guys thanks for having me and if there's a welcome thread I didn't see please let me know. 

Been having this PC for 4 years and recently purchased 2560x1440p which drops my FPS to 20-30 on average. My goal is 50-60 FPS after my upgrades using EVGA GTX 670 4gs and overclocking.
 
4 140mm fans
http://www.amazon.com/gp/aw/d/B00CP6QLY6/ref=mp_s_a_1_1?qid=1377099631&sr=8-1&pi=AC_SX110_SY165
 
Heatsink CPU cooler
http://www.amazon.com/gp/aw/d/B00C9EYVGY
 
Can this system be overclocked 4.5 to  5GHZ keeping it under 75 degrees , 1.3v, and what would be the bios adjustment settings?

Specs

2GB DDR3 / 1600 MHZ MEMORY
CASE FAN 120 MMM
BLACK LITE-ON 24X DVDRW
M. FAN SERIES
EVGA X58 SLI 3 INTEL X58 2 WAYS SLI/CROSSFIRE X DDR3/1600 USB3.0 SATA3 NO SLI/CROSSFIRE
CORSAIR CMPSU-750TX V2 POWER SUPPLY
ONBOARD 7.1 SOUND
SUPERCLOCK EVGA NVIDIA GTX 570 1.2 GB GDDR5 PCI-E
WINDOWS 7 HOME PREMIUM LICENSE
WINDOWS 7 HOME PREMIUM COA
WINDOWS 7 HOME PREMIUM SP1 64-BIT
SYSTEM BOX AND FOAM
500GB SATA III 6GB/S 7200RPM 16MB CACHE HD
BLACK AZZA ORION RED LED NO POWER
RED THERMAL CASE FAN CONTROLLER
INTEL BRAND LGA 1366 CPU FAN
OEM INTEL i7-960 3.2GHZ 8M LGA 1366
 
 
 Thanks
 
 

Look up a guide and you are going to want to look at the cpu multiplyer the cpu voltage and the base clock are the setting that will be changed.

Understand that, and I've looked at a few videos. Think the problem is I'm asking the wrong question.

How much GHZ do I need using GTX 670 to run 2013 DX 11 games like Crysis 3 at 60 FPS?

I dont think that your i7 will hold that 670 back very much I would try to get 4ghz out of it and more if you can get a higher stable oc then that.  If you want more fps make sure you overclock your 670.  You could even get a after market cooler like the accelero mono and bios mod your card to get a big overclock out of it.

http://forums.bit-tech.net/showthread.php?t=257249

Yep that's what I was thinking, after studying a few youtube videos I've learn how the x58 bios work. 3.964 GHZ, 1568 MHZ RAM, and 1.3v is what I'm at stable for some reason it's not listed in my control panel under system, but shows results on E-LEET with 84 celsus at max load. 4.2k was also tested, but with 90+ temps on mad load which I wasn't to comfortable with. Before I purchase a new motherboard, and chip I'm going to water cool or NH U12 S the processer for 4.3k+ results under 85 celsus temps even if it only last another year of temp abuse.