This may help...apart from the uprated bearings you may also want to add bearings under the top spring set to aid turning effort and increase the bearing contact area."Strange Engineering' have bearings with a 2.5" ID that can be used,not a sealed bearing but bigger than the GC bearing.Strange Engineering bearings can be found on the chassisengineering.com site, the part # for a pair is #1001...it may help..
