I'd be *very* cautious about trying to tweak caster by using uneven numbers of mounting the lower control arm. That's a dandy way to break a trunion. The unparallel arcs that would result in the uppe
As the factory workshop manual says, it is only possible to adjust toe-in and camber. Castor is fixed. It even says to put equal number of shims on each end of the a-arms. I hope I didn't mislead any