NOTE: THIS FIRST POST DESCRIBES THE OLDER METHOD THAT CUTS A BIG CHUNK OUT OF THE ECU. SCROLL DOWN FOR THE NEWER LESS INSTRUSIVE METHOD.
This document covers the basics of notching your ECU. ECU_notch.pdfThe part about using the dremel brushes is a little vague but its kind of hard to describe. Maybe the next one I do I'll shoot some video. I find the 'cup' brushes work best.