convert Fedora 8 X86_64 to i386??

Hi,

I have Fedora 8 installed on a laptop with X86_64 kernel. After a bit runs, I can't see much gain with X86_64 kernel.

I decided to convert it to i386 kernel. what is the reasonable option to do this?

re-install, it is not very hard, as I have two seperate partitions:  /home and /data,  thus, personal data will be preserved.
 

any other ways??

Thanks

Y