At the Caravan end, during the NCM 20th Anniversary Celebration, "Jagamajajaran" saw and showed us pictures of a new front cooler on a Z06. Thanks Jag! Today we get more confirmed info from "banjo," while he and his wife are on a cross country trip. They just had a private BGAP tour, was specifically told the following info, and asked me to post it for him. Thank you "banjo!"
I am told the Z06 cooling problem has been cured for the A8 by adding another cooler in the front of the car. I was also told the extra cooler will be made available in the Stingray as well.
More really good news and progress!