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  • Cap readings

    I just installed a h.o. alt, and before the swap my cap was reading in the 12's at idle. After putting in a 180 amp alt with 2 gauge wiring, it's reading a constant 15.1 at idle. Is this too much?
    2000 3.8L Firebird, Silver Metallic<br /><br />\"Yes, London. You know, fish, chips, cup o\' tea, bad food, worse weather, Mary f***in\' Poppins, London!!\"

  • #2
    Nah man its good my cap reads 14.8 at idle.

    It will be fine, on cold mornings when i first crank the car the cap has read 15.9-16.1 :eek: But on the regular it stays at around 14.

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    • #3
      I just wanted to be sure nothing was screwed up in my electrical system. I had read posts of people who had run up in the low 14's, and I just wanted to be sure it was somewhat normal for it to run that high.
      2000 3.8L Firebird, Silver Metallic<br /><br />\"Yes, London. You know, fish, chips, cup o\' tea, bad food, worse weather, Mary f***in\' Poppins, London!!\"

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      • #4
        Mine is 13.8-14 at idle with the stock alternator, so I hope yours reads higher :D

        What kind of cap did you get?
        <b><a href=\"http://members.cox.net/95batmobile/d86f.jpg\" target=\"_blank\">Sinister Six©</b></a><br /><a href=\"http://www.sounddomain.com/id/95batmobile\" target=\"_blank\">My \'95 Bird</a><br />I am not afraid of storms, for I am learning how to sail my ship.

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        • #5
          I wouldn't worry about anything under 16V.
          Red 96' A4 Firebird
          Audio Audio and Autotek
          Check it out here!

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          • #6
            It's a Mobile Authority 1 farad cap with the digital readout on top.
            2000 3.8L Firebird, Silver Metallic<br /><br />\"Yes, London. You know, fish, chips, cup o\' tea, bad food, worse weather, Mary f***in\' Poppins, London!!\"

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