Ok, i agree with you, and i can find compromise height of pickups... I have more then ten guitars with diferent pikoups ( emg sa, 81, 85, 89, gibson, dimarzio at, pro track, seimour duncan....) and i never had problem with pulling strings, ...anyway I found a compromise height and this is ok.
I still can't understand why my two singles don't work at all when phase is changed??