I have seen automotive style muffler clamps on Ercoupes but they do not belong there if that is what you have.
Kevin1 --- In [email protected], ALAN FAIRCLOUGH <texasavia...@...> wrote: > > I have had my share of carbon monoxide in the cabin and have a few comments > to offer. > > The cause of the Co2 was not just the flimsy clamps on the exhaust system but > some considerable holes in the left side exhaust stack that happened just > around the spot welding of the rear muff flange. There were five small holes > that were burned through the alloy at every weld point where the welding > slightly changed the yield of the metal. Metal fatigue did the rest. the > exhaust fumes were entering the cabin heat stream and striaght into the cabin > even with the heat turned off, the flap is not enough to keep out the stream > of air and Co2. > > I have since added to my list of annual inspections, remove the heat muff and > inspect the left stack. I suggest everybody do the same. It takes about 15 > minutes if you have the four stupid little screws at the back. Personally, i > have made a new one that wraps around and is held on by two starp clamps at > each end around the flanges. It takes about 3 minutes to remove and inspect > and maybe 5 minutes to re-install. > > In addition to that, I have found on E-bay a set of harley Davidson "aircraft > style" exhaust clamps for about $15 that are about 1 1/4" wide and can be > tightened plenty and these are much sturdier than the original clamps, they > do not damage the pipe like the automotice clamps do, and are either chrome > plated or stainless and look good to. they will require a field approval > which when compared to the original clamps, is a no-brainer. > > I have pictures for thise who would like to see them. > > Alan Fairclough > N87333 > N94694 >
