Simon, thank you for your detailed reply, it confirms my options.
I guess the first thing to do is to measure the twist properly by clamping the neck and putting
a straight edge against it.
I think I will fit the two E string tuners, clamp the neck in place, pop the bridge on and run some nylon
between the two just to see what that looks like as well.
Pitbull were very good to replace the original kit and I do feel a bit loath to ask them to replace the neck
on the other kit especially as that was some time ago.
However, I really don't want to glue a twisted neck on.
Think I'll get my measurements and decent photos first, in case I need to send them to Pitbull.
Meanwhile, more binding scraping going on.
Cheers, FB.