Thanks guys,
Scott, same issue here. Initially found I had a windsor thermostat and thought that was the problem but it still persists.. New large Fuidyne with 2 pusher fans, still temp goes up in traffic. Thought perhaps the tubes were caked with crud but the Inside of the T-stat tube was clean, and looking up into the 2 undercar tube, they're clean so I would assume the tube to the radiator are clean as well as all were painted then the motor was rebuilt a few years ago and little mileage since. Sure hope it the pump as I'm running out of options. The Edlebrock pump looks really good and should flow higher volumn and pressure. Good luck..
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