Radiator

Spend the 350 now or later, your choice.

Just search all the threads that have overheating in the title. And look for the common parts.

AL radiator, and electric fans
i was quoted 625 for the 38086 the 5/16 super duper what 900
some people have built 340s run 14.8 15.0
used properly it works fine its all in the setup
my 70 duster 10.4 to 1 243@50 single plane tall tires 3.23s auto
stock water pump
i ran no fan at all
no front bumper
never over heated
It would start to climb if stuck in say bumper to bumper fireworks traffic for 10 min just turn it off as soon as moving came right back to normal
no pinging on 94 mid 12s car on spray
chebby friends thought car was possessed not over heating with no fan :)