slant 6 gettin WARM

i just got a 63 valiant and the previous owner put a aftermarket a/c unit in it. he took the original prop fan out and put in 2 electric fans. he has the a/c condensor on the outside of the radiator and a fan on the outside of the condensor. the other fan is on the inside of the radiator and it pulls air through. but its still gettin hot while i drive in town. the fans are kinda small, and there is a large area of radiator at the bottom that has no fan on it. plus he said that he put a 160 thermostat in it, dont they need a 180? or do i just need to get some bigger fans to cover the entire radiator. im at work today, ill try to get some pics up tomorrow that wat yall see what im talking about.

thanks alot

stinkbug69