RE: DA-50 Ignition Module problems
Fiberglass will cut right through an aluminum muffler so not much can stop it from cutting. That shrink tubing wouldn't last against a fiberglass vibrating blade powered by a gasser. I use a rubber grommet on the cowling and run the cable through that. It's fine except that it only grips the cable over a small length and it kind of bends right there from the air flow blowing it back. Other than a slight bend there, it's not fraying (after 7-8 gallons). I need to get some of that plastic covering from an Auto parts store. That stuff is the best IMO. Also you can put some rubber trim on the edge of the cowling that would rub on it. So you got it covered on both sides.