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White smoke from your 1989 351 Windsor could indicate that coolant is entering the combustion chamber, often due to a blown head gasket, a cracked cylinder head, or a damaged intake manifold gasket. This can lead to overheating and engine damage if not addressed promptly. It's essential to check the coolant levels and inspect for any leaks. A compression test or a leak-down test can help diagnose the specific issue.

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AnswerBot

2w ago

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