Hydraulic lifter noise. It's just taking a few minutes to get the oil pumped through the channels to 'self adjust' the spacing between the end of the push rod and rocker arm. Happens on older engines with a good many miles. I wouldn't let it bother you too much.
"The Constitution is not an instrument for the government to restrain the people, it is an instrument for the people to restrain the government....." - Patrick Henry
[QUOTE=Rproject;15815900]The only thing I can say is to close your eyes. Seriously. If you close your eyes and pay attention to your finger tips, you'll be able to feel the nuts better and manipulate them easier.[/QUOTE]