oopss.. sorry.. not CO2 (dioxide).. but Monoxide.. a slip of the key
strokes.. dang..

well.. depending on the design.. most mufflers are heat exchangers on single
engine aircraft for cabin heat..

BT

"Flyingmonk" wrote in message
oups.com...
BT wrote:
be glad he found that bad muffler.. could have been CO2 in the cabin..

Huh? how?