I don't know if it will help you or not but when I launch my 1.8 I shift in to 2nd at 4500-4700rpm the only gear I run out is 3rd. I have found that red line is not always the best
I would so some test runs to see way what rpm you can do a smooth gear change then dial it in. Like with my car i I shift at 5k it jerks witch means loose of momentum but at 45 it's a nice fluid change
I've tried launching in second. Gutless. It will be slightly better with the MZ0. But the whole idea with the MZ0 is that it will promote being in the peak power through 4 gears.
I see the theory but do not see the gain. Not a significant enough difference to benefit from a 2nd gear launch.
A little off topic...I was thinking what kind of difference would two octane points make power wise? I.e. 91 v 93. Foxbox dynoed 162/216 on 93 octane with tune, catback, and intake.