fin placement noserider

hey guys what normal lenght up from tail to back of fin on noserider is 4 inchs right? i did 8 inchs on my hp board what you guy recommend?

cheers antony

I have mine up 5" on my 9’8" and like it there.  It’s a big, upright, 10", pivot fin with a 7-3/4" base.  Tail is 15-1/2".

Started with it about 4" up, but found that moving it forward losened up the turns with no other, adverse effects.

My 2¢.