Rudy, I got mine in as well. I agree that they are softer than I would like them to be, and I question how long they will last. Having said that, they are a LOT better than the stock plastic ones are, so I am happy with the investment. I used a jeweler's file across the outside front edge of the tracks, (where it fits into the next link) so that it has a better "flex" to the links. Otherwise, the flat spots all fit together to prevent it wanting to bend very well. That helped a lot.
I didn't like the wire, but it was more because once you cut the pins to length, there's not a very good way to hold them in place. I went to Walmart and bought a set of 450 Dritz extra-length straight pins for less than $5. I made a couple of small bends in each pin to help them stay in place in the links. The pin is easier to push in than the wire is, and I used a small wire cutter to remove the excess pin from the inside of the link once it was in place. Now, I have a uniform rounded head on the outside of each link, and if any of them do start working their way out, I can see it and push them back in.
I also contacted Green Amphibian about his sprockets & idlers, and am waiting to hear back from him about what his machinist says. I found that I had to remove about 0.010" from the inside of each sprocket and idler flange to get the track teeth to fit inside. That was done through the use of files and sandpaper. It worked, but I contacted him to see if it can be produced that way in the first place.
The next major hurdle on this project is figuring out the gearboxes. 35tank doesn't have their kit in stock at this time, so I will figure something else out. -Mike