Popping off is ok. I was imagining them going boom! :) On Wed, May 12, 2010 at 1:30 PM, zoran <zv30 at sbcglobal.net> wrote: > yes, they just pop off with enough heat behind. > > > Thanks > > Zoran Vujasinovic > Twin Works Factory > 775-786-4881 > www.twfracing.com > >