I know this sounds overly simple but check if you have one of those panels (sometimes metal, sometimes pressed board, etc.) covering the underside of the engine compartment; sometimes a piece of the panel hangs too low & might make contact with the tire, the ground, etc. I said the hell w/it & removed my panel, since it’s mainly to keep road water & mud from splashing into the engine compartment.
Thank you, UScbass. I got up under it and checked every single thing I could. Turned the wheels this way and that, revved the engine and checked again and again. Nothing moved ... except my index and middle fingers when I stupidly went to go under the car farther and grabbed the exhaust. Got Burn Jel and Band Aids on. The stupidity hurts most of all. Just wasn’t paying attention.