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M_V
There is quite a big difference in the clamping force, mostly by means of the bigger thread and nut which can be banged up quite tight with a spanner. If you’ve ever put a rear wheel in a horizontal dropout with a QR (even a security skewer with a hex fitting at each end) you’ve probably seen it has a habit of slipping.
In my opinion, if you know the dropout is solid carbon then there’s no problem. It will wear out faster than a steel or aluminium one because carbon isn’t very abrasion resistant, so use a track nut with a finer knurl on the back if you can find one. Where we run into problems is knowing if the dropout part is actually solid carbon. See link in CP below. If the end of the dropout is full of consolidator or expanding filler, then it’s just going to crumble out and you’ll be left with nothing to clamp to.
https://www.lfgss.com/comments/14339486/