to get each itb to open/idle at the same position do you tap into one of the vacuum lines (my itbs have 1 extra vacuum port thats capped off on each tb)
and try and get them to read the same vacuum with a guage? im thinking thats the only way to get them close without buying an expensive unit

 

yes thats correct

i hold mine to the sun and adjust till the same amount of light is going through them ...but ill do the vac next time

my light trick seems to be working good lol

 

Or take them to any motorcycle shop, it takes them 10 minutes if they have free time.