this is not on a dodge, but its a cooling system all the same and i am at my wits end. its on my 68 chevy (pardon my language) anyway, its a 68 bel air, 350 engine bored 30 with a mild cam, edelbrock intake and carb, and a/c, other then that there are no mods. the car came with a 327, and a/c btw.