[jhv48]

If you converted a FI engine to a carbed engine, did you also change the thermostat? FI engines usually run a 190 degree thermostat. Carbed engines normally run 180 degree thermostats. Set the fan to come on at 200 degrees. That could account for some of the higher temps. Verify your timing is spot on while you're at it also.

Install a 180 degree thermostat and fully shroud the radiator and check the timing That engine should run 180 degrees at freeway speeds in 100 degree weather all day long. Forget the water wetter for now. There is something else going on here. Something is definitely not performing up to par.