To jump from 11.6 to 14.6ft/lb, I would say it has to be a chrono error as the air res is down stream of anything that can influence the power. And you need a substantial amount more air released to go up in power that much.
How many shots did you take and did it go back down again when the other cylinder was refitted?
HFT, for people with only 2 buttucks!
VooDoo TwoTwo The next chapter.