thanks for all your responses. i'll look into all the possibilities and report back.
--- In [email protected], "eddielongest" <elong...@...> wrote: > > > > > > > My boat lives in salt water and my M-18 exhaust system failed at about 12 > years. The saltwater had eaten the tail pipe up from the inside out. The last > secton of pipe snapped off and black smoke filled the engine compartment. The > Catalina exhaust pipe design has to be the worse of any item on the boat. > My repair was to come out of the heat exchanger with new black iron pipe > and turn my pipe veritical as did the orig. pipe, I installed a Yanmar water > injector elbow which converts the iron pipe to rubber exhaust hose and it > sends the exhaust hose downward at a 45 degree angle. I then installed a > verilift fiberglass muffler. The Yanmar water injector was about $100 at the > time and I think the muffler also cost about $100. I attached the origional > exhaust hose to the muffler output and added a hose from the Yanmar water > injector to the muffler input. Now the injected salt water combines with the > exhaust in the rubber hose not the steel pipe. > I noticed the other day that West Marine sells the fiberglass exhaust wrap > tape. I don't know what kind of exhaust wrap tape Catalina used I would take > all precautions when handling the old exhaust components. > Eddie Longest > Reniassance > Ches. Bay >
