I've Kreemed a couple of tanks- one gave out because it was mostly done to start with (ZN1100 tank... ZN owners know what i mean) but the other one is fine.
The key is, indeed, preperation and proper application. I would look up one of the many advanced directions on the 'net and go with what they do.
This Guide in general looks like a good one. It's *very* thorough, and I pretty much agree 100% with his suggestions.