Contact Zack and see if he is showing the East Coast demo RV-14A yet.
https://www.vansaircraft.com/rv-flight-training/
At the moment I'm not giving rides cause of the 'rona. I'm about 40 miles south of downtown Chicago at C56 - Bult field. It's a bit of a hike for you from the Grand Rapids area.
If you get no other offers and want to come see it, you're welcome to visit.