Granite 3s C-hub/knuckle binding

quiznatodd bidness

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Northern Colorado
Arrma RC's
  1. Granite
Anyone have issues with the hubs and specially the top and bottom screws that they swivel on? The previous owner of my granite upgraded the plastic stock to aluminum, but I found very quickly that those swivel screws and the bushing they sit in fall out easily. I have loctite’d them several times, but I’m still have issues with them because I can’t tighten them up all the way. If I do get them tight (hand tight, not crazy lock-down tight) the whole assembly locks together and won’t turn for the steering. So I have to leave them loose and then the screws fall out the second my back is turned.

I just got the stock plastic hubs to replace out the aluminum (outer C of the knuckle is still aluminum), but one side is doing the same thing. Is this a bushing issue, or maybe my screws are too long?