I've done a 15 pounder that trimmed down to 14 and a 17.5 that went to 16.5. That thing is huge...
Terry - Learning more about Q every day...
Weber Smokey Mountain 22.5" - Weber Genesis S-330
Pitmaster IQ-120 - Thermapen - Maverick ET-733
For info on any mods I have done to my WSM, please see this post