Primer lines need to be silver soldered into their fittings. Using RTV to fix a leak is not acceptable and poses a serious fire hazard.
In Case You Missed It
Light Stuff
Dave Martin - 0
Dave Martin finds a Light Sport seaplane at the 2009 Sebring LSA Expo that made a real splash.
My Ten Favorite Tools for Building
A common question on the minds of potential builders is what kind of tools...