You might find that your UDS prefers temps 240-280ish. If so, you should roll with it rather than fight to keep 'em down.
Nice cooker (I would of left that cool original paint though!)
Modded Brinkmann Gourmet. Basic UDS. Rescued 22.5" OTS. Weber SJS. Stubbs. B&B Oak Lump.
Cannondale 2009 F8 (for burning off all the great BBQ)