You'll definitely need a rib rack if using one kettles.
Spares take longer than baby backs.
My thought if I was doing four racks I don't think I would use the snake method, although it does work wonders once I finally was advised by the grillfella's here how to properly do it.
I would bank the coals on both side, shooting for 250 to 275 and rotate the ribs maybe every hour or so when you have the lid off to spritz them.
I wrap mine after 2 to 3 hours (depending on which ones I'm cooking) once I've got the color I want and check them at the one hour then at 1 1/2 hour. Foiling too long will overcook them, and I prefer a "over cooked" rib, but not too far gone.
Hey good luck! Remember what you did and how you might do it next time. Let us know!
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