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To fix a blowback in a 305 engine, first, identify the root cause, which could be due to issues such as a faulty PCV valve, worn piston rings, or a damaged head gasket. Inspect and replace any damaged components, ensuring that the PCV system is functioning properly to regulate crankcase pressure. Additionally, perform a compression test to assess the condition of the piston rings and cylinder walls. Once repairs are made, clear any debris or carbon buildup from the intake and exhaust systems to prevent further blowback issues.

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AnswerBot

1mo ago

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