I have a different take on the Challenger 2. In as much as Danny has a time slip that proves it was 50 years ahead of it's time, it becomes the state of the art.I can think of MANY cars that are failed attempts. Never lived up to there builders expectations. It more than lived up to it's builders expectations. Danny took several years and enough changes (32 inches longer) to make it successful. Four wheel drive and a lot of hemi power is state of the art in my opinion. I had the pleasure of speaking with Danny after his successful run and mentioned his exit speed indicating it had more in it. He thought with a few more percent, maybe a little more compression, it had a record of over 460 in it. I don't think he wants to take any chances with what amounts to his retirement money.