i did a 3/5 drop on mine , you can try to adjust the pinion angle , but i have the same vibration at take off , its one of those things you have to get used to .
F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing questions, wheels, tires, lift kits, and much more!