I have a 2005 QC with the JTSVP electric fan kit with a 170 degree thermostat and I keeps over heating when I cruise around town. As soon I get 45+ mph the temp drops, so not enough air flow from the fans at low speed. I’m getting an aluminum radiator and will do a flush and refill and see if that helps. The question I have is, are the SRT10 radiators the same as the dodge diesels of the same year? Also if anyone wants to buy the JTSVP fan kit make an offer, I got a JMB one and the quality and shroud are way better.