Some would argue that you, along with your cronies, have actually done just that. If not five than at least three million would be my estimate of the ballpark overall cost on JJ by now.... Some would also argue that the project is a complete failure having not made it to CP1. Most of whom would never know what it is to start a full lineup Cholistan Rally in 5th position, but nevertheless, that's all a different discussion.....
As far as I go, yes I do feel that knowing what we know now, in 5 million today you can actually be very competitive for the overall win at Cholistan or Jhal on an old doggie with new tricks. This is as far as only the car goes, meaning that all things equal (driver, luck, situation etc) the car will not hold you down, in fact in 5 million give you an edge in certain areas depending on design and implementation.
As far as reliability goes while the 3UZs are an easy target, no one talks about the SC TRDs 1GR blowups. Its not possible to win overall without modifications. We have seen that even the most 'reliable' and 'genuine' of mods fail now on and off the rally field but obviously the thrust here is on the 'jugarias' because "Mehnga rowey te sajan bohtey, sasta rowee te paiwan soattey!"