Alright, yanked out the JB4 and flashed the S2+ 93. I do have a e30 mix, this tune doesn't feel as strong as the BEF. Since I'm using E85, should I go to the S2+ 95 octane or the E85 mix map?
Can you use a e30 mix with any of the S2+ flashes?
https://datazap.me/u/inevitab1e/mhd-...27-28-29-30-31