I can't tell you how many H.D. truck drivers have told me about that method on diesel engines, but they would do it through the air inlet with the motor running, according to them

I seem to recall that Cat actually recommended the Bon Ami treatment back in the 50's for their diesels that had glaze on the walls... it can be found on Google.
Still sounds like a half-ass way of fixing the problem and probably causing others...

Why is it necessary to have your rings seat in 60 seconds verses, say, 5 minutes?

So, last time this came up because there was a video of AMG engines going together with the pistons and rings dipped in oil. I thought that was a pretty good idea from a company that has put millions and millions of engines together.

But, at that time, it was quickly pointed out that Mercedes had put together smoking engines in the past, and, not having the ability to learn from that, couldn't possibly know what they are doing.

This is why I love this subject (along with cone surgrips, and pinion angles).

The ring manufacturors would have the straight dope for thier rings. Think about all the feedback they get from other forms of motor sports. Tons of it! I would geuss the feedback from nascar teams alone would be huge.
Knowing this, i will never try and " reinvent" the wheel. Just do what your particular ring maker says to do.
The only people that would gain much might be class racers, but for every small gain there would most likely be a whole bunch of trials that may have come up short.

On a side note what the best breakin procedure? I had thought the mototune motorcycle procedure was good (pretty much run it hard from the getgo) but someone had posted (here) either that this was wrong or that there was a better way. Your thoughts please.