the shroud could be the problem. Mine ran hotter with out the shroud. I run a 180 and it runs great at that temp. Other than that, it might be internal. I once had a freeze plug stuck in my engine from a previous rebuild at a machine shop. It made my temp go up at stop lights. The newer fuel injected motors usually run hotter but i found the carb motors like mine need 180. Also try flushing radiator again, maybe some gasket material got in there from changing the water pump.
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5.0, Holley heads, 1.7 Scorp Rockers, Stealth intake, Holley 600 carb, Holley Mech. Fuel pump, MSD 6Digital, MSD distributor, Hotchkis upper/lower rear control arms, FMS B Springs, 3:73 (8.8) rear.
Production # 9,377
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