Yes I'm sure your right. The body is definitely vibrating quite badly at this area. Aluminium will of course work harden and I am sure this is what has happened.
I don't know yet what Morgan's response will be but after talking to a few of the old hands at Combe Mill this weekend I'm very sure that we should face facts and realise that the owners will have to make the best of it and engineer most of the solutions to our problems. In a funny sort of way it will enhance and speed up the bonding process between the owners of older and newer models