It was the universal joints. When I pulled the drive shaft I found 1/16" of
play in the rear universal. After spending about three hours trying to get
the old ones out using the hammer method shown in the BMC shop manual I sent
the drive shaft out to have the u-joints replaces and the shaft rebalanced.
Not only has the noise disappeared but so has the vibration I was getting at
60-65 mph. Add another item to the list of things that can cause "scuttle
shake".
Peter Schauss
1963 BJ7
1980 MGB
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