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I had read an earlier post regarding stiffening up the central joint donut. It recommended inserting lengths of fan vee belt material into the space around the rubber donut.
I have done this, but I am concerned that the result is (maybe)too stiff. I know I can get a heavy duty donut from OGTS, but a friend recommended an alternative. He is a drag racer, and says it is common practice to stiffen up engine mounts and other hollow rubber mounts and bushings by injecting silicon into the cavity. Just plain, houshold variety silicon caulking. It would be more "pliable" than the belts, and would never fall out. But it might be difficult to remove later.
What do you think? Anyone tried the fanbelt trick, and if so, how stiff did it make the suspension? How many belts, or rather, how full did you make the cavity? Anyone try the silicon idea? Thanks!
I have done this, but I am concerned that the result is (maybe)too stiff. I know I can get a heavy duty donut from OGTS, but a friend recommended an alternative. He is a drag racer, and says it is common practice to stiffen up engine mounts and other hollow rubber mounts and bushings by injecting silicon into the cavity. Just plain, houshold variety silicon caulking. It would be more "pliable" than the belts, and would never fall out. But it might be difficult to remove later.
What do you think? Anyone tried the fanbelt trick, and if so, how stiff did it make the suspension? How many belts, or rather, how full did you make the cavity? Anyone try the silicon idea? Thanks!