Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 421 SBC not making power
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Old 02-15-2013, 12:29 PM
WickedFast1 WickedFast1 is offline
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have you had the carb updated! same thing happened to me one time, it drove me crazy, over the winter the carb builder had changed something in the carb metering plates from tubes to jets, it ran great on the dyno but would fall down on the track. he fixed all three carbs.
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