Hi JMD, I think your collection of field data will be hampered by the fact that the problem stems from poorly mating surfaces which can not be seen and so the data we need can not be collected.

Last edited by Phil Bleazey; 07/08/22 11:36 AM. Reason: poor command of the English language!
2013 M3W 1960 Velocette Venom and the Landrovardo!