Back in my ill spent youth I had a 67 TR4a non irs car that I enjoyed as much as any car I’ve ever owned. I currently have 4 irs cars including Jim’s Desert TR and would like to convert one of them (not Desert TR) to a live axle. How big of a pita would this be and what parts would I need, stock or otherwise? I may even do this to the car I plan on ‘resto moding’. I also have a couple of extra restored frames, a TR4a and a 6 with additional strengthening brackets. Thoughts?