What lvl 10 carrier are you using? Try going to the largest size carrier. Reason being, if you changed the power tube o-ring you'll need to retune you
Been out of the scene for a while but am coming back around and I'm looking to buy a few markers.
Cyco - Good call i had the wrong shims in it (still might actually as trying to tell the difference between 1 sheet of paper thickness and a 1/2 sheet