I had read somewhere else in these forums that the shift firmness is pre-set on the firmer side within the tune already and that if adjustment was desired that going (-) would be the way to start.

Just purchased my Diablo Intune and cannot wait to get her plugged into my 2006 Ram 1500. Wanted to know if any of the moderators could comment on the 'safety' of the 91 octane tune. I purchased the tuner primarily to adjust for tire size and shift points etc as I have a lifted truck, however the ...