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  • 91 Camaro - Idle Speed

    I recently purchased a high output alternator and installed it. I was told that I need to set the car's idle to above 800rpm for it to function properly at 12v.

    Currently, the motor idles at around 600/700 and the voltage likes to sink below 12v.

    Does anyone know how I would go about upping the idle to 800/900? It would be easy on a carborated model.. lol I'm not all that smart when it comes to fuel injection.

    Thanks!
    <b>Vehicle Information</b></font><ul type=\"square\"><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>Car:</b> 1991 Chevy Camaro RS</font></li><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>Engine:</b> 3.1L V6 MPFI</font></li><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>Mods:</b> Flowmaster , K&N CAI, Optima Battery, 180amp Alt</font></li><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>System:</b> Alpine HU | Planet Audio Mids & Highs | 3 Cerwin Vega V-Max 12DVC Subs | Boss 3KD.1 & Crossfire 400.4 Amps</font></li></ul><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\">

  • #2
    there should be an adjustable screwon the lower right (looking at front of car) to open up the throttle plate some. Another way is to advance the distributor a little
    1978 Formula 461 in progress of being built :rock:
    2013 Ram 1500 Big Horn

    former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
    94 comero 3.4

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    • #3
      On mine it was on the back side and you have to remove a thin metal seal to access it.

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      • #4
        Alright, thanks guys. I'll take a look this evening.
        <b>Vehicle Information</b></font><ul type=\"square\"><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>Car:</b> 1991 Chevy Camaro RS</font></li><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>Engine:</b> 3.1L V6 MPFI</font></li><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>Mods:</b> Flowmaster , K&N CAI, Optima Battery, 180amp Alt</font></li><li><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\"><b>System:</b> Alpine HU | Planet Audio Mids & Highs | 3 Cerwin Vega V-Max 12DVC Subs | Boss 3KD.1 & Crossfire 400.4 Amps</font></li></ul><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\">

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