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    1. #1
      Join Date
      Sep 2004
      Location
      PA.
      Posts
      935
      Country Flag: United States
      You may wanna be a little more specific. Solid rubber? Solid delrin? Solid poly? Solid steel?
      GW is best known for their DelA Lums,which are excellent. We recomend them all the time for the more hardcore guys. Delrin is a great high performance bushing material. The only thing to remember with delrin is to be generous when you grease them. Delrin is hard and if you allow grit to get in there it`ll wear them out prematurely. They`re always greasable not only because it lubricates them but because the grease seals dirt out and when you grease them it displaces any grit that that may have gotten in there. Properly cared for they`ll last darn near forever!
      A number of racing outfits make nylon bushings but they don`t have a shell,often are not greasable either. I see them more as racing pieces.
      Steel bushings actually work quite well in upper arms because they`re not weight bearing and they allow the suspension to move very freely and with NO deflection. We have one car with about 46,000 miles on a set of our greasable steel bushing upper arms. It`s been driven in rain,snow,floods,been in one front end collision. (don`t let the shop clean up kid borrow the company car!)
      We pulled the bushings apart a few thousand miles ago and the bushings and cross shafts still mike exactly the same as new ones. Not too shabby!
      Theer`s no discernable difference in ride harshness with solid bushings in the upper arms. Now steel bushings in the lower arms,because they`re weight bearign seems to have a little more effect on NVH. Mostly mid and higher frequency though. I don`t like using steel on lowers because that location is so vulnerable to grit and water though. Delrin is my top choice there. If a car is more of a street cruiser OE rubber works just fine in the lowers. Mark SC&C



    2. #2
      Join Date
      Jan 2007
      Posts
      212
      My car (77 T/A) will be a street car... so how does this sound for the front end.

      -Global West Del-a-lum upper control arm bushings
      -OE rubber lower control arm bushings
      -Solid body/subframe mounts
      -Welded in subframe connectors
      -Stock 1 1/4" front sway bar
      -Energy Suspension graphite impregnated endlinks and swaybar bushings (w/ the grease zerk)

      And of course, new upper/lower ball joints, inner/outer tie rods, adj. sleeves, idler arm, and centerlink.

      Am I forgetting anything other than the coils which I haven't decided on yet (whether or not to go with lowering springs)?
      1994 Corvette




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