stock rom - custom kernel

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http://forum.xda-developers.com – hey guys. im in the process of recovering a bricked optimus 2x, i currently have version 10a on there. but im upgrading via lg to the latest version. i bricked my phone due to laptop battery died without telling me and i thought it bricked my phone so i posted a previous thread of which users were very helpful and ive got it working again. but what id like to do now is keep a stock rom, but install a custom kernel so i can overclock and get rid of adds and install other things. any info would be great. id just like to flash a kernel through clockwork mod already installed on my phone. (HowTos)