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  1. #16
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    Re: Battery - Alternator HELP

    Quote Originally Posted by cbuts View Post
    Okay, i just figured it came with a big one so why not try it.. my 110 stock alt idled and drove around 14 v and dropped 13.5 when bass hit, if i change the pulley will this idle like its supposed to..

    nasty thinks otherwise.. really mind boggling and FRUSTRATING
    All other things the same, changing the pulley will increase the alternator's rpm's at idle. That may not be your problem but I'm not sure why you wouldn't want the smaller pulley, in general you will get more output at idle.







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    Re: Battery - Alternator HELP

    im willing.to bet its computer controlled.like.mine ..but swap the pulleys for shlts and gigs




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    Re: Battery - Alternator HELP

    Quote Originally Posted by bubbagumper6 View Post
    All other things the same, changing the pulley will increase the alternator's rpm's at idle. That may not be your problem but I'm not sure why you wouldn't want the smaller pulley, in general you will get more output at idle.

    well im sure hoping it is the problem... :@



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    Re: Battery - Alternator HELP

    thing.about the smaller pulley is.u might need a smaller belt. cause u might have some slippage due to higher spin rate




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    Re: Battery - Alternator HELP

    Quote Originally Posted by NASTY08IMPALA View Post
    thing.about the smaller pulley is.u might need a smaller belt. cause u might have some slippage due to higher spin rate

    yes i will be looking for a 1" smaller belt , I REALLY HOPE THIS FIXES IT.



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  7. #21
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    Re: Battery - Alternator HELP

    Quote Originally Posted by cbuts View Post
    yes i will be looking for a 1" smaller belt , I REALLY HOPE THIS FIXES IT.
    i bet if u search ur car ppl will tell u if its computer controlled ..good luck




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    Re: Battery - Alternator HELP

    Quote Originally Posted by NASTY08IMPALA View Post
    i bet if u search ur car ppl will tell u if its computer controlled ..good luck
    i really hope your wrong... lmfao



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  9. #23
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    Re: Battery - Alternator HELP

    Its your battery sorry to say go to oriellys and get a batt and alt test it wouldnt matter if you change the pulley why you think it comes with bothgo get a load test and also , when you installed the alt did you upgrade the charging wire to 4 gauge with a 150 amp fuse? Major must




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    Re: Battery - Alternator HELP

    Quote Originally Posted by Nutdawg651 View Post
    Its your battery sorry to say go to oriellys and get a batt and alt test it wouldnt matter if you change the pulley why you think it comes with bothgo get a load test and also , when you installed the alt did you upgrade the charging wire to 4 gauge with a 150 amp fuse? Major must
    no its not he just got.the batt 2 days ago smdh ...




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    Re: Battery - Alternator HELP

    I got a battery 2 days ago and its doin the exact same thing to me I got it tested today and it read bad cell im takin it back to get a new one smdh start with a load test it can read what you cant see smdh




  12. #26
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    Re: Battery - Alternator HELP

    its the godddam computer lol

    ---------- Post added at 11:49 PM ---------- Previous post was at 11:48 PM ----------

    quit buyin crap batteries lol




  13. #27
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    Re: Battery - Alternator HELP

    its a chevy thing ..like i said until i externally regulated my alt i would be 14.6 driving.then at stops it would drop to 12.9..its pcm controled




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    Re: Battery - Alternator HELP

    Any 05 and chevy has a pcm controlled alt, it will go into economy mode and derate the alt. I had to get a module in order to make my dual alt set up work correctly




  15. #29
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    Re: Battery - Alternator HELP

    Quote Originally Posted by pacustomz View Post
    Any 05 and chevy has a pcm controlled alt, it will go into economy mode and derate the alt. I had to get a module in order to make my dual alt set up work correctly
    bingo




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    Re: Battery - Alternator HELP

    If it was PCM controlled he would have noticed it BEFORE installing the new alt. He said it was fine before the swap. Stock case rewound alt needs the smaller pulley as it has no output at idle.

    I've installed a few DC alts on 05 Impalas and they were not PCM controlled. 14.9v all day at idle....




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