I have a 2017 ecoboost mustang that I have been tuning with hptuners. I have set all the speed limiters to 186 (max value) on the dyno the car hit 163mph but on the street it still cuts out at 122mph like factory. What am I doing wrong? TIA
I have a 2017 ecoboost mustang that I have been tuning with hptuners. I have set all the speed limiters to 186 (max value) on the dyno the car hit 163mph but on the street it still cuts out at 122mph like factory. What am I doing wrong? TIA
post your tune