im sure theres specs someplace, but heres how i do it....
crank up the adjusters until the car looks relatively even....THENNNNN
roll the car about 20 feet back and forth a few times and look at it....get the height to where you want it......THENNNNNNN
roll the car a few times again.......THENNNNNNNN
put the car on a known level surface and take a measurement( middle of the front wheel opening for instance).....THENNNNNNNN
adjust both sides of the car even even plus or minus 1/4 inch...THENNNNNNN
roll the car again.....take final measurement until youre happy with it. ! THENNNNNN
go get a front end alignment....the end....and they lived happily ever after!
What he said, BUTTTT, don't just roll the car, bounce the front end to allow the suspension to settle in. You can also measure the gap between the lower control arm and the sub frame to get you close. You'll want some trvel between the LCA stop and the frame so the car won't bottom out on the suspension.