360 Over heating

What thermostate are you using? I'm running a 360-magnum pushing 470 hp. My electric fan is between the rad and motor. I don't run a thermostate I run a restrictor plate with a 3/4-inch hole for flow and run at 190 to 195 at idle and 185 to 190 at speed. I hope this helps you may just have a bad thermo. Mike

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