charlest,
My Blue Vibe (40x3x55, P2 hole), Grape Vibe (50x2x20, P2 hole), my solid levrg (70x2-1/2x50, P2 hole)) and Jet (50x4-1/2x40, P3 hole) are all at 4000....the Karma (70x4-3/4x50, no hole) is at box finish.
I am almost to the point of going weaker (Slingshot, Freeze) with a pin axis layout.