cooling system

excellent question, i'd like too know myself. i have same problem with my swinger. i picked up a flex fan and spacer, and a bottle of red line additive (supposed to bring down temp by 30 degrees) sunday. i'm going too install them this weekend and see what happens. but i drive at 180 degrees, in traffic i go up too 210 so far. start driveing and it drops right down. so how hot is too hot?
never mind , thanks earl