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Thread: Alternator size ?

  1. #11
    FLAC strohj's Avatar
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    I have a 120A alternator that works perfectly fine for me... I am running a 800w kenwood amp to my sub and a 600w/4 to my components...

    on top of that I also have my full carpc in there...
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  2. #12
    FLAC sdashiki's Avatar
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    Quote Originally Posted by IC-C30 View Post
    unfortunatly you're totally wrong......
    nice to not finish, but still complain.
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  3. #13
    FLAC strohj's Avatar
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    Quote Originally Posted by david69leonard View Post
    A two farad cap will definately do the trick, however with that old of a vehicle a bigger alternator will help, i would also throw in a Redtop Optima or equivalent battery...


    "Its not the size of the alternator that counts, its how well you work it"

    -David69Leonard-

    Quote of the day

    that will stop the lights from dimming.. however... if he continually draws more current than the alternator is providing he is just running down his battery.. which is his real concern...

    so umm the size of the alternator DOES count
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  4. #14
    FLAC XC-C30's Avatar
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    Quote Originally Posted by david69leonard View Post
    A two farad cap will definately do the trick, however with that old of a vehicle a bigger alternator will help, i would also throw in a Redtop Optima or equivalent battery...


    "Its not the size of the alternator that counts, its how well you work it"

    -David69Leonard-

    Quote of the day
    1. The meaning of a cap has been discussed numerous times, but here we go...

    It will stop your lights from dimming, IF your alt comes to short only just... If your alt is far too small a cap won't do **** for you. However, a cap COULD be usefull to take out the ripple in your cirquit, but that's only if the rest of your wiring is ok.

    2. throwing in an extra battery, wether it is a redtop (NOT, cause that's a battery with a big STARTUP capacity, so pretty useless in an install, cause you're not getting full potential.) or a yellowtop (more likely), or something else, won't help you either, unless you're in competition and you use it as backup, apart from your main battery. If your alt is too small already, why would you even try to push it to load an EXTRA battery???

    3. your ending is worthless and just so you could throw in something to act like you know.... Boy your a n00b who doesn't know what you are talking about!!! There's nothing more important than the size of your alt and good wiring! If your alt is too small you simply won't cut it, and no, there's no way to make it act bigger.... You are not in control of what your alt does.... so you cant make it do anything else than what it does.... You CAN'T "work it" as you say.....
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  5. #15
    FLAC strohj's Avatar
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    Quote Originally Posted by gastang View Post
    not sure about interal fuse but:

    In the back of the owners manual it says:

    for the 1000/1 amp - General specifications Recommended fuse value 100a
    recommended fuse type ANL

    for the 300/4 amp - General specifications Recommended fuse value 40a
    recommended fuse type AGU or Maxifuse

    I have a 100 amp alternator I was going to use but not sure if its big enough. The stock one I am sure is to small something like 60amp.

    hope this helps.
    try the 100a alternator and see.. its fairly easy to replace a alternator later on on your car...
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  6. #16
    FLAC XC-C30's Avatar
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    Quote Originally Posted by sdashiki View Post
    nice to not finish, but still complain.

    I didn't finish because the things he stated have been discussed over and over again..... just do a search will ya....


    Hell, I explained it ones more for the sake of god..... Happy?
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  7. #17
    FLAC sdashiki's Avatar
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    dont post at all if you just want to be a troll, i mean, that is unless you want to be labeled one.

    me, i dont mind the label.

    i h8 reading the same threads over and over again too
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  8. #18
    Maximum Bitrate david69leonard's Avatar
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    jeeze, dont be sooo brutal, just cause im a NOob in this forum doesnt mean i dont know what im talking about... Pls i did say a bigger alternator will help in his situation, also the quote was just a joke... obviously some people dont have a sense of humor...

    If you want your system to work right, a better battery, a cap, will help and given the fact that your alternator was designed without power windows, locks and other electronic gismos in mind it probably is rated somewhere around 60a, you will need to get at least a 100a.

    Also wiring is definately the single most important thing, if its not grounded properly you will get all diferent types of interference with the sound of your sub and your amp will not be able to get the power that it needs to function properly. Also using a cap will increase the life of your alternator as well, due to the simple fact that you have a constant draw of power from the cap rather than a speratic draw from the amp alone which increases the demand on the alternator and the battery.

  9. #19
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    lol.

    I'm in a 99 civic, I have a 1000w sub, 400w sub amp to it pushing 190rms, a 4 channel 720watt amp pushing in reality 85w rms. Running on my stock alternator and the standard 60month Les Schwab battery. Lights don't dim, even under heavy bass and even with swapping my buddies 600w Rockford sub amp in, and its got the stock alternator. Have never had a problem of not enough power.

    Instead of buying aftermarket, find a business locally that will rewind your stock alternator to the spec you so desire. With your system I can't imagine you'd have to do this. But, you can.

    If your installing a carpc, be safe and get the rewind.

    To really protect your system, 2 farad cap for your sub amp, a small cap for your 4 channel(as if you've set your crossovers correct you probably aren't pushing near as much power through the fronts and rears as you may think**less bass, less power output from amp**), an extra battery, and disperse your connections between the two batterys as to balance the load of which battery is abused to most.

  10. #20
    Maximum Bitrate XxAndyxX's Avatar
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    IC-C30 is right. I love how people think that their 100amp alt puts out 2000watts of power. Power doesn't just magically come out of no where. You can't defy the laws of physics.

    So unless you have a team of mice running on tread mills giving you extra power. You're wrong.

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