Im tyring to choose which tune I should go with for the best 93 Octane tune
Unleashed:
https://unleashedtuning.com/sho-power-package/
or
Diablo:
https://www.carid.com/diablosport/intune-i3-platinum-programmer-mpn-8145.html
What do most SHO owner's go with?
Also how does the E85 fuel work...