Then you were obviously doing something wrong because everyone I've ever talked to about it has said tune for it and these articles say so as well.
I'll send my uncle an email about it and see what he says. Chris Johnson of SCT and JMS.
As it says in the above post, you are risking detonation and catastrophic engine failure because of added timing, boost, and leaner fuel trims. But that is what wmi is for, so you can run those things on pump gas. The benefits outweigh the risks tenfold.