Two years waiting for an answer, I guess.
Have you tried loosening the triple clamps and letting the tube slide through? You'll gain about an inch before you run into the bars. I suggest you do this one at a time. It's a bear to pick up the bike and re-clamp both sides, ha, ha. Been there.
You can also adjust for maximum sag in the back. At 5'6" that was almost enough for me.

I think you can buy a link for the rear that will get you two more inches. They say they are worth every penny.
I''ve never heard of how the internal fork lowering is done, so I can't help you there. Good luck.
Somebody answer this post so we can learn something.
On Any Saturday...