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Old 07-11-2002, 05:27 PM
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Red face heating problems

I am running a 383 stroker in an 81 Monte. Driving conditions are fine, temp around 195. I have a 21 inch (from tank to tank) three core rad, 185 deg thermostat, and seven blade flex fan in front of the rad. My problem is in traffic. The temp will slowly climb to 220 within a few minutes. Once I start driving the temp will cool to 195. What is the best and cheapest way to fix this? Do I need a wider rad or should I keep the small one and recore to 4 cores? Or maybe an electric fan in front of the rad? Please help.

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Old 07-11-2002, 06:24 PM
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get a fan shroud it helps if not electric fan. a four core compared to the three is damn near the same, unless you go after market.
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Old 07-11-2002, 07:30 PM
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Two things you can check that don't cost a thing. With engine idleing burn something in front of the radiator that will make smoke and watch to see if the fan is pulling the smoke thru the radiator.

On a cold engine, fill the radiator as full as it will go with water. Start the engine, let it idle and watch to see if you have any bubbles in the coolant. If you do most likely it is a cracked head gasket on the exhaust side. Can also be a cracked head or block.
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