What does this mean. I need help fast my Prom is on the 20th of this month and I am taking the stang so If I need to do any head work or internal work I need to do it now. My buddy said it was my piston rings? I dont know but I got 7 days and counting to get this old girl running right. The car is overheating I was going to a car show but had to turn around and come back home because I was in bad traffic and it went from 180 to 220 in no time. I am thinking of just getting a set of new heads and get a big fan to put in there. It was in the 60's today not a hot day at all.