Tuff Stuff Performance SuperCool High Flow Thermostat - 180 Degree - Various Applications 910180 R07C09M Chevrolet:Big-Block Mark IV:396 (6

Chevrolet:Big-Block Mark IV:396 (6

1/4 mile time

375 in Pressure / Scavenge Stage

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Tuff Stuff Performance SuperCool High Flow Thermostat - 180 Degree - Various Applications 910180 R07C09M Chevrolet:Big-Block Mark IV:396 (6Standard thermostats flow about 37 gallons of coolant per minute. With Tuff Stuff's High Flow thermostat, that number jumps to 56 gallons per minute. That's almost a 50 percent increase in coolant flow! The increased coolant flow will reduce the delay in engine warm up times, allows trapped air in the cooling system to escape and stabilizes the pressure of the cooling system overall. These thermostats also have a bypass valve that allows a small