@CMC - it was production, one of the bigger brands.....and I did change brand

Your board should come with shapers markers for the shapers supposed ideal set-up - anyone should be able to reset to those after experimenting, so why deny them the option?
If you use different foils, you'll need to change your settings - especially if you are using twisted foils and the like. Unless, of course, you want to stick to your shapers recommendations....
I've used them heaps in kiteboards, even early kite raceboards, so durability is not an issue for SUP.
Dean should introduce a 4wfs box that is FCS compatible - it's doable and then the issues of availability are sorted