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    SlickCMRick's Avatar
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    How big of an alt do I need?

    Ive searched, didn't come up with anything that fit my exact bill.........

    Opti2000d =1800 watts
    eclipse amp = 300 watts

    240a of current total.

    I have stock electrical. HeadLights dimm very slightly amazingly, but i have some bad voltage drops. my lights on my guages dim too. I'm planning on doing the big 3 but I want to cure my voltage drop problem. I was thinking maybe a 150a alt? My sentra now has an 80amp alt. 1.8L engine if that matters.

    Thanks




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    Re: How big of an alt do I need?

    NO one can answer your question with certainty. It isn't possible, too many variables. If anyone tells you that they can they are delusional. You are not drawing 240A ever so get that number out of your head. Do the big 3 and add a second battery and then see where you are.



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    SlickCMRick's Avatar
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    Re: How big of an alt do I need?

    Thanks for the reply. I see you live in Vegas too.......what would you suggest?




    2005 NISSAN SENTRA
    Head Unit-Eclipse CD3000
    Components-Rainbow Germaniums
    Amp- Eclipse EA4000 (bridged 150x2)
    Subs- 2 Eclipse 12" Titaniums w/RE Softparts
    Amp- KICKER KX2500.1
    HO Alt- 180amp from HO Engineering
    Starter Battery- Duralast Gold
    Trunk Battery- Northstar NSB170FT (125 lbs!)
    Secondskin Damplifier Pro on trunk & Dynamat Xtreme on Doors
    Big Three & wiring done in 1/0

    Refs-
    TeamPSI, BJ Fisher, 6spdcoupe, playboyclic, chaarlieee, liquidh2o, derek9087, Rohner, Soldmy66, Ricky616, trevor87, pitbull12888, Jester1318 & slickcmrick on ebay

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    helotaxi's Avatar
    helotaxi is offline Kilroy was Here



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    Re: How big of an alt do I need?

    Like I said, big 3 and battery first. See where you're at from there. You might be suprised to find that you really don't need much.



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    Re: How big of an alt do I need?

    big 3 should help the voltage drop the most. so hurry and do that.



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    Re: How big of an alt do I need?

    150A would be a nice upgrade, regardless, if it's in your budget. You'd probably be at least doubling available current throughout the rpm range.

    I upgraded from 75A to 110A and it made a LOT of difference - running around 1000 rms.




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