Moving the mast further forward on the 1250 helped me on the wing.
Evened out the leg pressure front and back.
And is less pitch sensitive.
I'm now about 1cm from the front of the box using the through holes. many variables at play and just takes time on the water and micro adjustments. riding a Sunova 6'4 Aviator. I can see some the benefit to super long track boxes now like the PPC boards.