rattling on 2000 camaro V6 5spd
Ever since i bought the car, every time i start the car up, shift or give it gas and let off the gas there is this rattling. it sounds like a washer in a tin can. It will last until the engine is completely warm and occasionally i will hear it even after the engine is warm. I thought it was from the cat, but i just replaced the cat and put a new one on and i still hear it. it is hard to pin point exactly where it is coming from, but it sounds like its come from somewhere near the headers. i checked all the header bolts and they are all tight. if i rev it up to about 2000rpms and keep it there, the rattling is constant. any ideas on what it could be?