Hey everyone I wanted to see if anyone else has had this same experience as I am having and if there is anything I can do to fix it.
I recently took my boat up to around 6000 ft above sea level to cruise around. I ran it for 3 days without any problems except the expected sloppy idling and 20 percent or so loss in power. Well since I have brought the boat back to where I live which is sea level, I have noticed a definite difference in exhaust/engine sound. It sounds a bit more muffled and less "crackly" if you will then it used to. I also think Ive noticed a slight power loss.
Does anyone know if there is some sort of altitude sensor on my 87 350 mag that may have gotten stuck when i was 6000 feet? Sounds a bit technical for such an old engine.
Another observation, I am noticing a large amount of exhaust residue on my transom now. I had it quite a bit at altitude where it would accumulate at the water line and above and I have never had this before. Ever since, I still have quite a bit of this black residue now on my transom, does this have something to do with it or am I imagining things?
thank you all!!