A few things from my experience.
1. I've used old style plugs, parabolic plugs, and even a straight angled Spyder plug in a pinch. They all perform the same IF the bottom side of the plug is inboard of the weld joint on the powerfeed. It's this spot that causes hiccups with force feed hoppers. This is my experience with about 5 or 6 different powerfeed bodies over the years.
2. I've seen HALOs slightly push powerfeed plugs out of the tube, which then leads back to my first item. When I finally realized what was happening, I simply pulled up the oring that covers the weld gap to the outside of the plug. It looks goofy, but it worked.
3. Concerning your small paint comment, I recently posted about detent issues with my X-Mag. Thought I had that figured out in the other thread, but even smaller paint was double feeding last time I used it. Finally had to just thread lock a detent in without an oring. That got the detent in far enough to to stop the double feeding with the .667 paint, and the thread lock was needed since there was no oring to keep it from vibrating out.
Forgot to mention that, other than the parabolic plugs, the others frequently need filing/sanding of the face that contacts the feed tube to allow it to sit in far enough to prevent what I described in number 1 above. It's way easier just to buy the parabolic plugs from Tuna, but I did the filing as proof of concept when I was trying to figure it out.
Last edited by nak81783; 11-28-2015 at 07:54 AM.
Reason: Added filing/sanding comment.
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