Norco...Unibit...good! Unibit rules...just gets a little hot.
fordman, understanding you were asking jerrykr about springs...not that scientific. Just something short enough to fit on the bolt you're using and strong enough to hold the vent caps. I found mine at local hardware store no problem. HD will have them. Only done one cook so far but like the dampers...I know No Pron! Wasn't worth posting.
Ribs this weekend and will post pron. More practice with temps.
2004 Weber Performer GREEN
Orange Super-Duper Fast
Taylor Made 9deg. R7TP w/S-Fujikura 6
Rescued 2002 Weber Genesis Silver B Gasser
SJG Tamale Pot Mini Smoker (SJG was a rescue)
18" Gold (rescue) SJS (rescue)
and a Pyro FIL