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 Post subject: High Output Alternators
PostPosted: Tue Mar 01, 2011 9:02 pm 
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Neon Enthusiast

Joined: Sun Apr 01, 2007 6:49 pm
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Location: Lake Havasu City,AZ
I was wanting to know if people on here have used high output alternators on their neons. I am putting a huge stereo system in my neon and was wondering about options for high output alternators and if anyone has personal experience with any of the available options.

I have only found a few high output alternators 170-200 amp alts and was wondering in particular if anyone has used the 170amp alt off ebay http://cgi.ebay.com/ebaymotors/HIGH-OUTPUT-ALTERNATOR-Dodge-Neon-2-0L-1995-1997_W0QQcmdZViewItemQQ_trkparmsZalgoQ3dLVIQ26ituQ3dUCIQ26otnQ3d3Q26poQ3dLVIQ26psQ3d63Q26clkidQ3d7442205917176130145QQ_trksidZp5197Q2em7QQcategoryZ33573QQitemZ250730075656#ht_1757wt_939.

Seems like the best option for the price.

Help would be highly appreciated thanks folks! :bye:


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 Post subject: Re: High Output Alternators
PostPosted: Wed Mar 02, 2011 7:33 am 
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If you feel like wasting money, go for it! If not, don't waste your time with a huge alternator!

The factory alternator or replacement 110 amp (that can be bought at most auto parts stores) can and will produce enough power to hold a decent size system... UNLESS, you're running an extremely high amp stereo

Example: I personally have 2 12" kenwood 1200 watt max subs (pushed by a 2200 watt power acoustic amp) in a custom built (by me) box and 2 Alpine 6x9's in the package tray and Alpine 6 1/2's in the doors (pushed by a 200 watt P.A. amp) and two 2 1/2" tweeter in place of the factory tweeters and run off a Everstart battery and a reman 120 amp alternator with a 1.0 farad capacitor
I don't have any problem unless I'm sitting still with the stereo cranked and the key in accessory position for a LONG period of time! Seriously, just the other day, I was under my car, removing my converter (for an unstated reason :blush: ) and got tired of no sound, so I reached in the car turned the key to acc. position and turned it up a bit. I worked on the car for a good hour and a half and when I was done I lowered the car off the stands, dropped the hood, reached in the car and turned the key... Fired up without any hesitation!

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 Post subject: Re: High Output Alternators
PostPosted: Wed Mar 02, 2011 1:33 pm 
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Neon Mechanic
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Stock PT alternator is well over 100 amps

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 Post subject: Re: High Output Alternators
PostPosted: Wed Mar 02, 2011 2:19 pm 
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10 amps per 1000w rms stero power. easy to push it. thats with a true 1000w rms, not the ebay stuff

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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 11:06 am 
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Neon Enthusiast

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Location: Lake Havasu City,AZ
OK folks will be running a TRUE 3000rms to my 2 15s walled also am running a 4 channel amp putting out about 175rms to each component set. Electrical demand WILL BE HIGH! I have 0 gauge wiring for big 3 and also front to rear batterys running a deka 9a31 battery in rear (100ah) and a optima red top up front. This will be no kiddie stereo or cheap leaf spring juice "4000watt" system that really puts out like 1300 lol.

I need a REAL high output alternator and unfortunately it seems that the best option is to contact some companies that make legit ho alts and get one custom wound for me which will probably be about $4-500. Damn neon alternators suck and I know about pt alts putting out around 100-110amps thats not gonna be near enough output...


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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 5:51 pm 
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For what it is worth, your lights will still dim unless you have a Kinetik or other similar instant current battery. The alternator can not keep up with instantaneous peak draws, only sustained. the alternator keeps the battery charged, but the battery delivers the juice.

EDIT: I just re-read your post and you have a deka battery in back. That should suffice. I have a 150A alternator in my car pushing 2500W RMS and I never have an issue. I have an Optima Yellow top and an Optima Red top.

Also, don't forget to get a battery isolator since you are running two batteries.

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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 6:15 pm 
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http://lfsracing.com/proddetail.php?prod=LFSODP

Food for thought

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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 9:04 pm 
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Neon Enthusiast

Joined: Sun Apr 01, 2007 6:49 pm
Posts: 278
Location: Lake Havasu City,AZ
Purpose wrote:


Thanks man I know about the lorenzo alt odp already and it would be good to add to a higher output alternator if it is a smaller pulley than what comes on a HO alt it will help get more amps at idle and get max amps earlier in the rpm range (with less rpms).

Thanks for the input so far guys but still havent found what I am looking for I am researching more and may be contacting a few companies that make HO alts seeing what they can do for me.

FWIW for the most part these alternators should be/are interchangeable (from what I have read):
95-99 Chrysler Sebring 2.0L
95-99 Dodge Avenger 2.0L
95-97 Dodge/Ply. Neon 2.0L
95-98 Eagle Talon 2.0L non-turbo
95-99 Mistubishi Eclipse 2.0L non-turbo
PT Cruiser non-turbo :)

So there seems to be a better possibility (due to the popularity of the car for aftermarket) a better chance of finding a HO alt for an eclipse/talon than our neons. I found a company that has a 165A alt for 95-99 eclipse/talon turbo and says call for options for non turbo so that may be the key there going to make some calls here within the next few days probably Monday since its the weekend.

Keep the suggestions coming people :good:


Last edited by Green98Peon on Fri Mar 04, 2011 9:41 pm, edited 1 time in total.

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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 9:27 pm 
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Green98Peon wrote:

FWIW for the most part these alternators should be/are interchangeable (from what I have read):
95-99 Chrysler Sebring 2.0L
95-99 Dodge Avenger 2.0L
95-97 Dodge/Ply. Neon 2.0L
95-98 Eagle Talon 2.0L non-turbo
95-99 Mistubishi Eclipse 2.0L non-turbo

So there seems to be a better possibility (due to the popularity of the car for aftermarket) a better chance of finding a HO alt for an eclipse/talon than our neons. I found a company that has a 165A alt for 95-99 eclipse/talon turbo and says call for options for non turbo so that may be the key there going to make some calls here within the next few days probably Monday since its the weekend.

Keep the suggestions coming people :good:


UptownSport wrote:
Stock PT alternator is well over 100 amps


Don't forget to add the PT Cruiser alternator to your list.

The one you want, is the NON-turbo version, from a PT. ( Naturally Aspirated )
It will totally bolt in. Just be sure to upgrade your output wiring as needed.


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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 9:39 pm 
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Neon Enthusiast

Joined: Sun Apr 01, 2007 6:49 pm
Posts: 278
Location: Lake Havasu City,AZ
NickKo wrote:
UptownSport wrote:
Stock PT alternator is well over 100 amps


Don't forget to add the PT Cruiser alternator to your list.

The one you want, is the NON-turbo version, from a PT. ( Naturally Aspirated )
It will totally bolt in. Just be sure to upgrade your output wiring as needed.


- Nick


Haha I forgot about the PT alt for some reason derr...

And output wire is 0 gauge lol :shock:


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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 9:55 pm 
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Neon Enthusiast

Joined: Fri May 02, 2008 11:53 am
Posts: 1845
Location: Fresno, CA
mwha5230 wrote:
10 amps per 1000w rms stero power. easy to push it. thats with a true 1000w rms, not the ebay stuff


1000 watts rms, is 69.444 amps, at 14.4 volts. Thats not including amplifier inefficiency. Assuming class d is 80% efficient, thats a 86.81 amp draw with a class d, and assuming 60% efficiency with class ab, thats a 115.74 amp draw with class ab. Granted, music is dynamic, but someone with a 1000 watt rms system, needs more then 10 amps per 1000w.

Green98, keep us updated on what you end up with, my current system is going to end up drawing 150 amps at full power, and my future set up is going to draw 200 amps at full power. So I need around a 200 amp alt, to have room for all the other accesorys as well as my music during the few times it'll be at full power.

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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 10:35 pm 
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Neon Enthusiast

Joined: Sun Apr 01, 2007 6:49 pm
Posts: 278
Location: Lake Havasu City,AZ
TOOSTUBBORN2FAIL wrote:
mwha5230 wrote:
10 amps per 1000w rms stero power. easy to push it. thats with a true 1000w rms, not the ebay stuff


1000 watts rms, is 69.444 amps, at 14.4 volts. Thats not including amplifier inefficiency. Assuming class d is 80% efficient, thats a 86.81 amp draw with a class d, and assuming 60% efficiency with class ab, thats a 115.74 amp draw with class ab. Granted, music is dynamic, but someone with a 1000 watt rms system, needs more then 10 amps per 1000w.

Green98, keep us updated on what you end up with, my current system is going to end up drawing 150 amps at full power, and my future set up is going to draw 200 amps at full power. So I need around a 200 amp alt, to have room for all the other accesorys as well as my music during the few times it'll be at full power.



Hey 2stubborn thanks for explaining the watts amps voltage relationship for me lol. My amp is a class d 3000rms @ 2ohms my subs are 2 15s dual 2 ohm coils going to be wired at 2 ohms on the 3k.

I will let you know what I find out though for sure since this seems to be a not so much researched area of neon tuning and any knowledge gained I would gladly give back to the .org for all the help its given me over the years with my neon. :smile:


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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 10:54 pm 
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Ditch your power steering, toss a second alternator up front. Weld up a custom mount bracket, and use a 160amp from a Dodge Ram. Run the 160amp to your stereo battery, and keep the stock alternator running the front battery/rest of the car. Two isolated charging systems. :)

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 Post subject: Re: High Output Alternators
PostPosted: Fri Mar 04, 2011 11:18 pm 
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Neon Enthusiast

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Posts: 278
Location: Lake Havasu City,AZ
Una wrote:
Ditch your power steering, toss a second alternator up front. Weld up a custom mount bracket, and use a 160amp from a Dodge Ram. Run the 160amp to your stereo battery, and keep the stock alternator running the front battery/rest of the car. Two isolated charging systems. :)



Funny you say that since I have no a/c or power steering on the car LOL. I saw ONE neon with dual alternators on it and cant find it anymore :( but the second alt was where the a/c compressor would be I think either that or somewhere around that area between there and where the power steering pump would go.


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 Post subject: Re: High Output Alternators
PostPosted: Sat Mar 05, 2011 12:04 am 
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I've been looking at a couple places local to get a custom wound alt, but might end up with an Irragi. If hes still around.

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 Post subject: Re: High Output Alternators
PostPosted: Sat Mar 05, 2011 12:48 am 
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Neon Enthusiast

Joined: Sun Apr 01, 2007 6:49 pm
Posts: 278
Location: Lake Havasu City,AZ
TOOSTUBBORN2FAIL wrote:
I've been looking at a couple places local to get a custom wound alt, but might end up with an Irragi. If hes still around.


Iraggi is one of the three companies I have wrote down to call. Still looking around but it seems custom wound may be the way to go for us neon guys unfortunately. If we had any Chevy suv/truck or more popular car for stereos there would be alot of nice alternators to choose from but this doesnt seem the case so much for us lol.


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 Post subject: Re: High Output Alternators
PostPosted: Sat Mar 05, 2011 11:17 am 
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U can put in a srt alternator I believe they are rated at 160 amps and can be had for $150. It will bolt up in place of the stock neon alternator but u will have to solder in the connector for the srt because the stock connector is different. If u were to find a OD pulley that would net u a little more output as well.


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 Post subject: Re: High Output Alternators
PostPosted: Sat Mar 05, 2011 4:46 pm 
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