I tried to edit my mem timings in Hex editor, but i cant figure out how to copy paste the new code into the old code, i have to type every digit 1 by 1 and its not working, brainexplosion, and im scared to brick my gpu it has no dual bios.
There's ~ billion guides on how to edit and flash bioses for AMD cards out there.

Plenty of software gui tools that allow easy copy/paste editing. Here's one such guide:
https://bitcointalk.org/index.php?topic=1954245.0Hi, i really didn't want to look like some lazy guy, i've been figuring out how to do it all day ( litterly)
Read some russian tutorial and i feel like im close to succes, but i just cant figure out how to copy paste the desired numbers into the hex editor.
Thanks for you link, i'm gonna try that out tomorrow.