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Oside cobra couple of things first check your thermostat and make sure that is a high flow one. Try PEP boys because they have the gaskets and thermo on the islands. It should be a 63mm thermo, next look at the opening size.Even though they all say 180, they donot have the same FLOW rate. I have a 64mm that I trimmed the plate on. The flow area was almost a 1/2" larger than the correct one My motor was running at 195 with 3 fans running and 210-215F when racing. After checking the intake manifold to make sure that the coolant passages are gasket matched and the heads too I but it together and went with a 50-50% mix of green coolant and water with a bottle of water wetter to help. I have an edelbrock water pump with the March pulleys. These pulleys small the pump down 20%. Watch your pulleys. I now have my motor running at 180F normal and 195 under hard racing. Hope this helps Rick Lake
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