I am planning on doing the swap on my 87 runner very soon. Do I need shims to correct the pinion angle or will I be okay without them? Also I was only planning a BJ spacer on the front with the IFS do you think I will be level or will the rear be too high with the 3 leaf chevy pack? Thanks, Andrew

1987 4Runner - 22RE, 290,000 miles 63" chevys, double shackle, BJ spacers, downey IFS truss, extended differential breathers, 33x10.50 BFG MT's. Soon to come - aussie locker in rear