[abl1111]

Hmm. So cut a 2 3/8" pc of PVC to length and then in half (2-C's). Then mount them to the pedestal. Would that leave (2) gaps between the two pcs of mounted PVC ? Would those gaps affect the swiveling?

Do you know how I might do this w/ aluminum tube instead of PVC?

Lastly, I do not know that It wiould be easy to find a base w/ the 2 3/8" receptacle. It was an older style I think, and an older style base may not fit to the new seat mounting configuration?.

?