I just purchased the SuperPro along with the SFB. I noticed in the instructions it shows building the SuperPro with the knockouts on the wheeled side of the frame. On the inside of the SFB manual it also shows putting the SFB on the wheeled side of the frame. But on the front page of the SFB manual it shows the SFB on the non-wheeled side and on CharGriller's website it has the SmokinPro with SFB on the non-wheeled side. With the added weight of the SFB plus the weight of wood and lump it would seem to me that on the non-wheeled side would be more stable, (especially with the fact that CharGriller supplied the world's cheapest wheels). So which side do most people put the SFB on and have you had any issues with it on the wheeled side? Thanks for any input.