Put the muffs where the joints aren't. I don't think they are meant to be sealed. I have never sealed mine and don't intend to seal these. We also have a GPASC 4 into 2.
N64KR Daniel R. Heath - Columbia, SC da...@kr-builder.org See you in Red Oak - 2003 See our KR at http://KR-Builder.org - Click on the pic See our EAA Chapter 242 at http://EAA242.org