Try doing a cook at 275-300 degrees and look for invisible to thin blue smoke coming out of exhaust. I think your family will be happy. Low n slow and the fire choking that needs to be done to maintain such a low temp will cause a smouldering fire instead of a clean burning fire.
Modded Brinkmann Gourmet. Basic UDS. Rescued 22.5" OTS. SJS Mini-WSM. Stubbs. B&B Oak Lump.
Cannondale 2009 F8 (for burning off all the great BBQ)