I have a 1980 notch with a carb'd 302. The short block and radiator are out of a 88 cougar xr-7. The car has factory gauges that just have a normal area and doesn't tell u what the actual temp is. It runs out of the normal range on the high side. I put an electric fan on and it didn't help. I put a new 160 thermostat and new coolant in it, same thing happened. I'm pretty sure I installed the thermostat correctly(spring side to the manifold). Does anyone have any suggestions? Does anyone know what the actual temp range is on those factory gauges? Any help would be appreciated.