Like it was said before, a super tight fitting lid is only important for shutting down after the cook. I once lost my lid on the way to a contest (long story) and ended up cooking with a piece of plywood with a hole in it for a lid. Worked just fine, holding temps in the wind and rain.
Wait! Bigmista wrote a cookbook?
Then burn the entire ram on the altar. It is a burnt offering
to the LORD, a pleasing aroma, a food offering presented to the LORD.
God loves BBQ!
Bigmista Custom Spicewine Trailer - Olivia J. PIMA
Large and Medium Spicewines
Weber Ranch Kettle - E.T.