[uttergto]

Everything is factory original except for the fan shroud; it is a plastic shroud from Ames. Driving on the freeway, the outlet temperature approaches the inlet temperature, and that's when I exit.
I am familiar with the equation Q=mCp delta T, where Q=heat transfer rate, m=mass flow rate, Cp=specific heat, and delta T= change in temperature. As the delta T approaches zero, the heat transfer rate also approaches zero.
I thought that eliminating the fan clutch and direct driving the factory aluminum 7-blade fan would help, but not much help. Next, I will tape a piece of yarn to a welding rod and check the airflow around the radiator. I guess I could try eliminating the fan shroud. I don't know how to insert photos.

Thanks, Rowland