Thank you Tim,
I did end up doing that myself and it seems to work fine (even though you have to sync twice, once for the multicams and againf or the sourse sound).
I thought I heard or read somewhere that you could pick one track from the individual traks of a multicam sequence which would be helpful just to get an even sound reference (I was cutting a wedding ceremony and was intercutting from one location to the other but it was difficult to get a sence of the scenes being the same time with isolated sounds. It all comes together when you sync in all the cameras’ sound later but it would be a nice reference to have while editing. Actually I noticed I had a few second drift also in the multicam sequence which is a drag. For some reason the sound track had a 97% speed (no idea why).
Again many thanks for your feedback.
Warmest,
Kevin