I just finished doing a minor tune up on the car (93 Laser Rs N/T) and now I'm getting this weird noise from under the hood that almost sounds like a belt rubbing on something, but I didn't touch any of the belts. All I did was change plugs and wires. By the way, I think I have a bad piston ring in my #4 cylinder seeing as how there was a lot of oil in my spark plug well. The engine hasn't been running perfect by any means, but I noticed a little more power gained from the new plugs and wires, but then what's this weird noise? Any one had this happen to them? I'm thinking that since I had the battery disconnected for about an hour while I was doing the tune up my ECU is relearning/resetting and making the car run like crap for a day or so. That's what I'm hoping anyway...