I use lump all of the time. I have no temp issues with it. Use less lit charcoal for get go and you'll make it easier to control. Leaving the food alone while it cooks is an issue here. Taking a peek floods the cooker with O2, and with lump, the consequences can be severe.
"Bring it on, you bananna thong wearing killer of brisket!"
If you really care about this place, you'll show some respect for it.
Finally got my dream cooker, Runaround Sue
Team Whosoever Q
If a man looks lustfully at eggs and bacon, he has already committed breakfast in his heart.