as i have read other posts and there are no marks in the rust to show it has been moving i also tryed moving it manualy with engine off and running also watched it while reving it it just stays still im not sure what i am sapose to see if anything just wanted to eliminate it from it not reving above 3000 rpm when i do hit aprox 3000rpm it like spluters and fumigates street if i hold gas at that point it starts to drop and dosnt like it