[CentOS] changing installed kernel from i386 to i686

Wed Sep 24 16:55:12 UTC 2008
Jerry Geis <geisj at pagestation.com>

Hi all,

If I initially installed a i386 kernel on centos 4.6 is it possible to
migrate to i686 with yum  (yes the box cpu is capable)?

Can I just "yum install kernel2.6.9-78.EL.i686" and that will work?
Will that magically bring in other needed libraries?