I just did some Wednesday and didn't foil. Just went about 4 hours on 2 racks of baby backs at 225* +/- ...came out great. About as simple as it gets.
gtr summed up most everything I searched and read before I did mine, so I'd go with that!
Golden Dome UDS "Dorthy
" | ~22" Char-broil "Char-lene
" | iGrill | Supersonic Blue
Where there is love there is barbecue. – Gandhi