Things to check
From my heat problems I found the following:
1. Check for the plastic dam at the bottom of the radiator (can effect the idling temp)
2. You need to ensure that the space above and on the sides of the radiator are blocked like the stock setup which had rubberized flaps and a shroud that acted as an air dam. The air from the engine compartment can be pulled around all the openings (this is called recursion because the hot air from the radiator is recirculated back in front of the radiator). To test this you can get some pipe insulation from a hardware store, it will last a week or so but can't stand up to the high temps long term.
3. How many CFM is your fan? My Mark VIII and Ron Davis 18 fins per inch radiator only allows me to run my AC in up to 100*F ambient above that the temps start climbing above set point.
Number 2 above improved my cooling capabilities by 20* F ambient.
Good Luck, Don
From my heat problems I found the following:
1. Check for the plastic dam at the bottom of the radiator (can effect the idling temp)
2. You need to ensure that the space above and on the sides of the radiator are blocked like the stock setup which had rubberized flaps and a shroud that acted as an air dam. The air from the engine compartment can be pulled around all the openings (this is called recursion because the hot air from the radiator is recirculated back in front of the radiator). To test this you can get some pipe insulation from a hardware store, it will last a week or so but can't stand up to the high temps long term.
3. How many CFM is your fan? My Mark VIII and Ron Davis 18 fins per inch radiator only allows me to run my AC in up to 100*F ambient above that the temps start climbing above set point.
Number 2 above improved my cooling capabilities by 20* F ambient.
Good Luck, Don