Pusher Fan Advice?

I also notice that the fan clutch is missing. Put it back on. Since you no longer have a stock engine, the stock cooling system may not be adequate. Agree, 190° Thermostat and back off the timing when you are in a parade...Fans do nothing after about 45 MPH. Fans do everything below that speed, you need airflow through the radiator and especially if you have a/c. The condensor blocks airflow on cars with a/c