Not your own hearing - mine is fine, and I find it incredibly annoying between 45 and 55. Even the Stage 1 exhaust doesn't drown it out :-)
I can't imagine why engineering is unable to come up with a quieter BB. I've never heard such screaming resonance from a presumably well engineered gear box. Something is clearly wrong in the gear angles or set-up that would cause such a sound at certain speeds.
G56 had posted some pics a bit ago, that when I looked at them, seemed to show clearly mis-adjusted gear engagement, as the wear was all toward the one side of the ring gear. I commented on it, and they had indicated they were making progress, but no news yet I guess.
Does Morgan even see this as an issue?
