If you subscribe to Billy's GMC Google Calendar, you get everything included in the calendar that is in front of your face when you boot the machine up. Unfortunately, not all chapters keep Bdub in the loop.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit