if you blow a coupler at 3-8psi with worm gears, you bought the wrong size couplers! I ran 27psi on my 3076 with 4 worm gears for weeks when I ordered the wrong tbolt sizes and had to do something in the meantime. Other than the worm gears potentially cutting into the soft silicone (irc the procharger ones are rubber so its fine) they will hold. If its a rolled edge joint a damn ziptie would hold them on for a long time!