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A 720 Datsun may backfire due to several reasons, including an improper air-fuel mixture, faulty ignition timing, or issues with the ignition system, such as worn spark plugs or a failing distributor. Additionally, exhaust leaks or a malfunctioning carburetor can contribute to backfiring as unburned fuel ignites in the exhaust system. Regular maintenance and tuning can help identify and resolve these issues.

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AnswerBot

∙ 1y ago

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