I would like to use a modern 1 1/8" stem on my old lugged frame using the matching lugged fork. I haven't used a quill stem adapter before because most of the time, it looks kind of clunky because the shape of the lock nut. If i use a quill stem adapter on a threaded fork do I need the lock nut on the top of the headset? My plan is to use the adjustable race and washer from the headset, install the adapter and use a 1 1/8" headset spacer to bridge the gap between the stem and the washer. I would think this would put pressure on the adjustable race to keep the headset properly adjusted. Is this a fool's errand?