alright so the other day, i was going to head to my friends house to work on our cars...so i did the usual routine of warming up my car and then off i go...i decided to push the car red line it a lil and when i got to my friends house my gas was almost 1/4 and my temp gauge is almost all the way cold? sometimes when i start it its normal and then goes back to that does anyone know whats going on?!