speedcooling.com

Wants to boil gas in carb causing hard starts. Also starts surging while at red lights. Doesn't seem to do this with a/c off. When in the upper 90's it will climb to 220-230 with a/c on. Would an aluminum radiator help?

Then address the carburetor insulating problem. You should be running a THICK (1/4") carburetor insulating gasket AND metal heat shield.