Ok so recalibration is done. I don't feel any difference, maybe gears shifting bit smoother but getting on 8th gear is not any easier. What dealer mentioned is that if transfer case is gone or anything what can be impacted by different tire size the first thing they check is if tires were...
No, not yet. I postponed it till tomorrow morning. I have a feeling that transmission shift points have to be adjusted together with speedometer but I'm total newbie so it is just short research and feeling from a ride with new tires.
I have similar dilemma but i bought car in Qatar. For some reason they sell it here with 255/75/17. 2 days ago upgraded to 285/70/17 and noticed that car goes less often to 8th gear. At least this is my impression. Today taking it to a dealer to adjust speedometer and will ask about gear ratio...