How can I adjust wheelbase?

He doesn't have to go 1.5" on the lower' I was thinking maybe 3/8" then you have to move the upper control arm back to get the caster right.

I'm not sure there's enough adjustment there to get it that far out. And if he's still got factory strut rods, they are non adjustable. Plus, if he has adjustable rods, they are only supposed to be adjusted to square the arm up to the lower control arm pivot. That adjustment is not supposed to be used to adjust caster, OR adjust the wheel position in the wheelwell. IMO, to be that far out, something's wrong somewhere.