I recently added another 4x5 Super D to my kit. This one has a working strobe sync which I've been wanting to mess around with. I would like to add a graflok back to the camera so I can use it with my holders I have for the other Super D I own. The only way I can currently use the new camera is with Grafmatic holders and I just find them to be very unreliable.
Any suggestions?
Thanks!

You can do this as a diy project. I think I have a diagram tha tBert Saunders centime many years ago. I will look for it.
Basically you need a thin aluminium plate between the rotating plate and the Graflock back, then you will need to shim the ground glass to regain accurate focus (to take int account the thickness of your adapter plate,