i was wondering on aem true boost since you can set it at different boost levels. would you be able to set the boost at a lower psi then what the wastegate spring is rated for? and if you were tuneing it would you want to tune it to the highest psi your going to be boosting at or what your going to be daily?? my wastegate spring is 13 and i want to run off the wastegate spring and run at 16 and 20 would i need a differnt spring or would this one be fine??