Had a 3-inch closet flange today that flat-out refused to seat, like it wanted a better contract and a coffee break. Good thing our local bargained double-time for weekend calls — at 6 a.m. it felt like arbitration with a wax ring. What fixture have you had to collectively bargain with lately?
Your ‘3-inch flange’ screams out-of-round — inside 3x4 flange with Sani-Seal saved me at 6 a.m; try a spacer ring?
I’ve seen that when the floor crowns right at the ring — run a straightedge around the flange and either knock down the high tile lip or shim the bowl so it sits dead-steady before the wax. If the bend’s slightly ovaled, a 3x4 compression repair flange (Sioux Chief 886 or Oatey) will clamp it better than wax; ever try one of those, @hgreen87?