Ok, so you want to try the outside hole on the rear arms with foam tires, but what's ya gonna do? The shock rubs the rim!
First off get TC4 shock ends for your car (31030 TC4 Shock Shaft Ball Cups 4 $2.99). This makes the shock end "footprint" physically smaller.
Then get some short Atlas ballstuds--
http://integy.automated-shops.com/cg...55104137590.72
The ballstud is really short and gets the shock end very close to the arm. The rim will still be close to the shock end, and may *slightly* rub smaller rims, but it should disappear arter like 1 run. I checked it on an old, original TRC white spoke rim. This rim is smaller than the new JACOs, TRC, etc. It barely touched,. As I said before, this would just wear in after a pack. On the TM tires I usually run, there was plenty of room.
edit: you wil also have to crank down the spring collars a bit. The TC4 end is bit shorter.