Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Holley off idle backfire problem
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Old 05-20-2013, 10:07 AM
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lg1969 lg1969 is offline
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Replace the primary metering block with a known one that works. 90% of the problem is the idle circuit is calibrated for emission at a cost of having off idle stumble and surge and sometime backfire.
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