So, if you say what's on your mind you are a tough guy? As for the mechanics - sure - who whouldn't rather have a clicker than a beam type? Try using a beam type in a hard to get to place where you can't read the dial.
As for accuracy, I sand by my earlier statements. Beam type have been used to build many engines that have been used in Indy, Bonneville, etc. If accuracy is the issue, how did those motors survive?
If money was a concern, I would buy a beam type and tap and die set over the clicker any day of the week. Using these tools I would get a far more accurate reading of torque than just using the clicker.
Which brings us to another point. Retorquing the heads after many years of service will not give accurate torque readings. The more accurate clicker type will give an accurate reading of torque on a set of dirty, corroded threads. Don't expect results any better than using a beam type.

Your points about loosening the bolt/nut first, and also cleaning dirty/corroded threads, are very useful.
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