Gpu overheating need help

[Jordan133778]

I am playing overwatch when i set my fps to 60 its goes to 70+c I have a gtx670 sli and im very worried about it when i put my fps to max i reach to about 90c i have took of the front of the case and it dropped by 2c i live in engaland its warm not hot but i just need some help to cool down my gpu to buy a liquid cooler or what because im new to this pc buliding stuff any help would be good thanks

 

[renz496]

which model of 670 did you have? what is the temp for top and bottom gpu?