I have one in bones waiting for covering. I will be mounting an Enya .80-head out the left when facing the craft. I have used this arraingment on most of my recent planes. I like to hide the head in the wide side of the cowl. If it were completely inclosed by inverting it I fear drowning the plug. Four strokes are much more tolerant of inverted mounting than 2 strokes but I won't take the chance. Since I'm using an enya I have to use a remote glow setup.
Are you using koverall and dope?