I just finished lapping my Talley's. Definately helped with vertical alignment. 20 in/lb torque on the base screws and 15 in/lb on the ring screws with a fat wrench, is that about the right torque?
From Talley:
25inlbs on the base and 18inlbs on the cap screws
Talley Manufacturing, Inc.
9183 Old Number Six Highway
PO Box 369
Santee, SC 29142
USA