The impossible to solve overheating problem

What are you using for a gauge? Are you really overheating? I recently lost the ground on my Autometer temp gauge. It would start cold and climb to 250 in less than 2 minutes. I repaired the ground and gauge dropped back to 180. No matter how inadequate your cooling system is, it should take 5 minutes or more to get to overheat condition. Verify your temp gauge is accurate before you chase other issues.