I'm totally with Enrico on this one! Bury them, do a minion start and let the wsm warm up. best ring on a brisket this way! Oh, and don't add any more chunks during the cook, and I'll use 3-4 or 1 big chunk.I buried my chunks or split into the briqqettes.
I've tried all different setup, and this is the best One to acieve the Total combustion