After removing everything except for my SMT-6 off my '98 yesterday, I started it up, and it seems to be running fine. But, it's making a hissing or blowing sound that I can't seem to place in the engine where it is. I noticed this, because it's not doing in on my totally stock '97. It's not noticable until you pop the hood, and then you can hear it. Could this be from tightening the belts too tight? Could there be a leak somewhere? I've got all the tubing exactly the way it was stock(at least I think so), so I'm not sure.

Chris