Adjustable rockers adjusters problem?..

You need to machine the top of the rocker so the nut sits flat.
Yes that's what I did on my last set. It's just been many years and I kick myself in the butt for letting that set go. I actually just took a flat file to them. I also got them back from the machine shop to set up my engineers and years ago and they had machine the little groove in the front of them where they were hitting the oversized Springs. I imagine I'll have to do that as well...