So, roughly 70mm Forward of the steering axis. A good place to start. The actual fork stachions are offset roughly 30mm ahead of the steering axis on these forks. So I need to find roughly another 40mm. Which,isn't that difficult to do. These forks have the axle running through the centreline of the fork
These forks have the axle in front of the centreline
So,either I find another set of forks,or I modify the ones I have ...