Thanks medhat68...I've seen your site before and it's extremely helpful.

Given that each side of my crack is at a completely different elevation with respect to the other side, do you think my thought of simply injecting the whole hub gap full of epoxy first, and then completely grinding off most of the original hub surface material down to the new epoxy is a good idea? Or do I just leave my plastic hub surface oversized and build up the areas around it, attempting to get it symmetrically oversized?

1stgenbirdman makes an interesting comment about heat. I don't suppose you tried heat...think a heat gun would soften this original plastic enough that I could push it all back down to the diameter of the steel hub? That idea kinda scares me frankly...I fear it might ruin it completely but I don't know.

Not sure if my questions even make sense...hard to describe really...sorry.