I agree with Ben, when you drive it home from the shop let it cool all the way down before you drive it again. I usually try and put 20-30 miles first run and let it cool. Then drive a little conservative for a few days.
Will are you going to be working or playing at RR? I may try to slide down there and test the ARB, not sure, the wife has a long weekend and I had promised a trip to Nashville that I've backed out on. So I will have to see what her back up plan is.