I'm currently using a Evga Geforce GTX 570 in a Phantom 410 case. Recently I installed two more fans into the case after moving the computer and it is suddently running much hotter (80C when it use to be around 50C). It runs around this temp even while playing games like TF2 which aren't to intensive. Today I went through the case and dusted it out and noticed that the fan on the graphics card was covered in dust so I cleaned it off and tried it again and it is still running hot.
Is it possible that installing more fans in the case would actually make the graphics card run hotter?