So, good news and "meh" news.
The good news is that I found some old pics (dated Sept 19, 2022) that are giving me a very good reference of which intake bolts go where, and also which brackets go where.
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The "meh" news, is that I found all of the above brackets, and realized that they should really be sand blasted and not just cleaned up.
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Guess what's not cooperating today: Yep, my HF sandblasting cabinet. Can't see a damn thing in the cabinet because the window film is filthy. Can't clean those. Have to replace them. Sooooo, I found a 5-pack on Amazon but it won't be here until after the holiday.
That's ok. I didn't feel like getting all filthy and gritty today anyway.