No. That's about how high it's raised in those photos based on my experiment with shims last night.
I found the photos I thought were lost - I was looking at the wrong end of the folder list.
I hope these show how wrong it is, leading to my pessimism about this being a "scoot it over an eighth" or "knock a dent in it and move on" situation either.
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The coupler is right against the tube there.