First time I did mine I ran them in initiation +5 clicks and it jacked up the idle, made it real touchy, etc.
Since then I went with Smokem's mod'd 4k arrangement. Then, and now everytime I play with them, I go initiation +3 to start.
I like the mention by mike of using a caliper. I'll do that next time, but +3 should keep your idle close to what it was before. Then drive it, and turn them another click in or out depending on how it acts.
Just don't drop anything down in the pump. I got lucky and fished out a washer. Good telescoping magnet is a must.
Also, I got at mine from the top as the side nut will not break loose. It's easier in some respects, but gravity likes to jump the fence from friend to enemy real quick.
on edit;
Get yourself a disposable wiiiide blade screwdriver. Grind the center section away so you have a U instead of normal. Fork blade goes around the stud to turn the nut.