Apparently, the early RedFrames are the worst for this for some unknown reason. The thread Scud linked posts all the proper attempts (angle fittings, tip grinding, and the needle method), as well as examples of the requisite cursing. You may find new combinations that work for you. ((and not just the cursing!)
If the swingarm is coming out, be certain to measure the stand-off of the pivot pins before taking them out.