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Shawn,
I went through all that work that you posted above on adding zerk fittings and the grooves in the bushings, and still am not happy. There is still too much bind and stiction. If I had to do it all over again, I would not do the ES bushings at all in the rear of a B13. In fact, I got a low mileage trailing arm from the wrecking yard, that has the really big OEM rubber bushing, and swapped that in. I also ordered a set of Ingalls control arms WITH RUBBER BUSHINGS to replace the OEM ones with the ES bushings in. I am also going to put a spherical bearing in place of the ES bushing in the hub. That should make the rear on my B13 happy again.
You are smart to just not bother with the ES rear kit.
Like Steve said, the front is OK, just needs to be regreased fairly regularly. I highly recommend the SuperPro Caster bushing for the front. The increased caster is a welcome addition on a B13. Since you are running Hyperco's and not coilovers, the caster bushings are about your only choice for increasing caster. If you leave the OEM rubber bushing on the front control arms and use the SuperPro caster bushing, you won't have any bind. With the ES Bushing in the arms, and the SuperPro caster bushing, you will have a little bind, but as long as you keep the Front ES bushing and caster bushing greased, you will be fine.
So, I would recommend the following for B13 Bushings:
Front:
1)ES Swaybar bushings, with the swaybar wrapped with sheet teflon, or teflon tape.
2)ES steering rack bushings
3)Front control arm bushing OEM rubber and replace the big bushing with the SuperPro caster bushing.
Rear:
1)ES swaybar bushings, with the swaybar wrapped with sheet teflon, or teflon tape.
2)All the rest OEM rubber.
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