Pete
I am sorry to hear that you have had to use the spare.
I would be interested to hear what your exploring reveals - I would be up for buying any that end up surplus to requirements (I have a repaired pair on the car at the moment), or perhaps even going in if a credible alternative can be made. Let me know if I can help.
Just as an aside, I have been trying to find out where some of the suspension rose joints/ball joints, and the track rod rose joints, come from - so I might be able to share that if I make progress. If those parts can be sourced easily it might make a heavier wheel more practical?
Rgds
