Lower than 6 psi that I have already??
Ive been looking at this video quite a bit
https://youtu.be/ayvwni_Ex1I
I think if I want to get faster I need to change my technique to this which will be quite a big change and a lot to learn. I think I'm riding more like a road bike (rear wheel not spinning not drifting) with MX position (sitting on tank, leg out)