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black smoke idles crazy stalls sometimes help!!!!

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Old 05-27-2012, 11:01 PM
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Default black smoke idles crazy stalls sometimes help!!!!

98 z28 pacesetters y pipe ls6 intake dual volant cold air intake msd wires and plugs it HAD super charger and now its running extremely rich and backfires if I get on it. new tune? new to the fbody world need help!!!
Old 05-28-2012, 12:19 AM
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anyone help!!
Old 05-28-2012, 12:55 AM
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Well, if its still tuned for F/I, I would say a retune is definitly in order, and possible injector swap.
Old 05-28-2012, 10:13 AM
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Needs tuned for NA...
Old 05-28-2012, 06:34 PM
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what's n/a? should I change the injectors/plugs? when I'm on the freeway it feels like it dosent have enough power and when I start stopping it revs high and dosent stay still at idle than dies out. its also having problems starting dosent really wana start on first turnover and den it idles funny still any one with the same problems?
Old 05-28-2012, 06:41 PM
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Naturally aspirated (i.e. no more supercharger)... You said it HAD a supercharger - was it tuned when the supercharger was removed?
Old 05-28-2012, 07:02 PM
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no it hasent been tuned is that why its runni.g super rich and dying at idle?
Old 05-28-2012, 11:36 PM
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Originally Posted by 98NOOBz28
no it hasent been tuned is that why its runni.g super rich and dying at idle?
Thats a good starting point.
Old 05-29-2012, 01:40 PM
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Don't drive it until you have it tuned by a professional.

Then if you want to learn tuning go ahead but at least you will start from a proper beginning point.

Perry




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