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    Tuning for a rich 305ci sbc

    Hey all, I have a 1988 c1500 305ci with long tube headers, a k&n intake, and a holley 670 cfm tbi throttle body. (Also have a new fuel pump). It is running rich and I have read that folks have that issue with the holley throttle body. I would love recs for a tuner, module or a convenient way...
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