I use the shim in the back method but I take a butter tub lid and cut it into shims about 1/4" wide and 1" long. They are .030" thick which is approx 1/32". Being plastic they're real easy to get in and out. Sometimes I have to put 2 shims in to get the right feel.
--------------------
Moon
--------------------
So many questions, so little time but I'm having fun.