"Wh said the middle is where I would want it to be? But of coarse
anyone can figure out that simple math. "

Where you want it, vs factory specs, might
not be optimal for the way it was designed
to handle.

But then again, I like my caster a tad on the
high side, if a body/align shop is willing to
perform the surgery on a modern unibody to
get it there.