Servo saver setup with tresrey

[hellfire]

hi guys

i have a dex 410 and i am very pleased with it except for 1 thing.
i already broke 4 servo horn since i installed the tresrey servo saver.
i bought an alu servo horn now but i want to know how to adjust it corretly
the standard is set at 1.4 mm below the end of the Servo Saver Shaft. see this pic
http://www.team-durango.com/blog/wp-.../Nut-depth.jpg

what do you guys recommend

thanks for the help