Default Boot loop while rooting

Hi, I tried rootig my gtab p7500r using the information and zip files from this thread

http://forum.xda-developers.com/show....php?t=1171089
Sent from my Galaxy Nexus using XDA

After installing kernel zip then recovery zip I rebooted the device and now it is boot looping the splaah screen. The "samsung galaxy tab 10.1" screen comes up then it shuts off and its stuck doing that.... can anyone help me fix this and root it?

Appreciate any help.