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Reload Thread: Installing 1600watt system how many amp should my alternator be?

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    McNRG's Avatar
    McNRG is offline Junior Member



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    Installing 1600watt system how many amp should my alternator be?

    Is there a formula to figure this out and can anyone recommend where to buy this alternator. Thanks







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    Geminidj2000's Avatar
    Geminidj2000 is offline The Bad Luck Kid



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    its bacially 70 amps per 1000 watts thats if your amp was all the way efficient im guess ur amp is around 80% effcient so for that u would need around 130 amps for the system..... and about 40-50 for the car....... so around 170-180 alternator would be needed that would be if u turned it up all the way..... what kind of car is it? u would probably be safe running a 160 amp alternator...... but im sure that u want components and a 4 channel amp..... so try and get a 200 amp alternator tell me what k9ind of car it is and ill tell u how big the alternator can be



    1996 Ford Explorer
    H.U. Stock
    Front : stock
    Back: Stock
    Subs: 2 Image Dynamics IDMAX v3.
    Amp: Hifonics Hercules at 4 ohms (450 watts)

    soon to come
    Kick Panles
    Clear corners
    Altezza Taillights
    200A Alternator
    componets

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    McNRG is offline Junior Member

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    300zx twinturbo

    1990 nissan 300zx twinturbo




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    dave_3148's Avatar
    dave_3148 is offline fuggun "a" man!



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    wernt you the one whon wanted a light sub so it wouldnt wiegh much now you putting 1600 watts in to it? you know the bigger the alt the more power it takes from your engine




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    ****

    Shoot I didn't know that. Well then I guess I'll stick with my original plan change that to a 1996 integra gs-r




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    dave_3148's Avatar
    dave_3148 is offline fuggun "a" man!



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    yeah, it wouldnt make your car a lot slower but a couple of hp would be lost. remember power = power




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    McNRG's Avatar
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    thanks

    Yeah your right i think i will put the system into my gs-r instead




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