Originally Posted by MEMRACING62
any heating / ac supply house has them cheap (infrared unit)
Harbor freight even cheaper, I agree iwth bruce, verify the temp is the actual temp.
Have you checked to make sure you getting adequete unrestricted air flow going to the rad?
What CFM is your fan? Maybe its just not up to the task?
Try a bigger fan, or a double fan.
Another good idea and a cheap investment would be a 'high flow' aluminum W/P> I got mine on ebay $50.
Goodluck, Cp