Here are my thoughts. http://www.grandprixforums.net/threa...ur-car-for-e85

To put it simply the cylinder gain method only requires changing one table in the entire tune. If you need to adjust for summer and winter blends it still only requires tweaking the one table. Calling it a table is a stretch even. Its 6 slots that you change from 1 (100%) to 1.25 (125%). Simple and effective.