high output alternator
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HT4100 4.1, 4.5, 4.9 Discussion, high output alternator in Cadillac Engine Technical Discussion; hey im looking for a high output alternator for my 1986 cadillac deville sedan 4.lL 4100 engine and i was ...
  1. #1
    still_walkin's Avatar
    still_walkin is offline Cadillac Owners Connoisseur
    Automobile(s): 1993 Cadillac deville sedan
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    high output alternator

    hey im looking for a high output alternator for my 1986 cadillac deville sedan 4.lL 4100 engine and i was told the stinger sell them but between 500-600 dollars and i just got a qoute from http://www.4alterstart.com/ for the following:

    200 amp is $279.99 or 250amp $349.99 plus $22.00 S&H lower 48 states.

    are these alternators worht spending on or they just blow up or fry. do you think i should just go with stinger instead. my 3 amps are pushing 1600 rms 200 rms and 200 rms. your opinion would be a great help.

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  3. #2
    ehall's Avatar
    ehall is offline Cadillac Owners Connoisseur
    Automobile(s): 1985 Sedan DeVille
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    Re: high output alternator

    I asked my electrical guy about a high-end replacement and he told me I was being stupid, sent me to get a Delco reman, and it did improve many weakness related problems. I still wonder about a high-end replacement though. I also put in a high amperage Optima Red Top (despite him saying not to), and that improved some other power weaknesses a bit too. I would say that if you are really worried about it go ahead, one of your local hot rod shops should be able to tell you which one to get, then you can google around and find reviews and whatnot. I plan on doing that in a couple of months.

  4. #3
    cadi197 is offline Cadillac Owners Fanatic
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    Re: high output alternator

    Do some research before you decide to do this. Talk to some radio shops. Most professional places will tell you to add a 2nd battery with some sort of relay. Also upgrade your wiring from the altenator to the battery in your engine compartment.

  5. #4
    still_walkin's Avatar
    still_walkin is offline Cadillac Owners Connoisseur
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    Re: high output alternator

    I went to the shop and they told me to add a battery but when u add another battery u have to have them both in same age and charge so that means that I need to buy two new batteries and a relay. Also two batteries on a stock alternator is more of a strain on it also when the car is on wouldn't that make it a 24 v system and damage my 12v devices?

  6. #5
    ROGER L's Avatar
    ROGER L is offline Cadillac Owners Fanatic
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    Re: high output alternator

    Hey I had a car with a SYSTEM you need a capacitor we got all kinds of shops on the northside inner city here in Milwaukee that will have that car BEATING !!!!

  7. #6
    caddeville's Avatar
    caddeville is offline Cadillac Owners Enthusiast
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    Re: high output alternator

    well i had the stock alternator, and because of my sound system (pretty big, not best buy junk), my battery died even while i was driving my car. I went and spent 250$ on a BOSCH 200 amp high output alternator, and it discustingly made a difference, my volts always above 13.5 even if its idleing at 450 rpms and system cranked. I had to get out the grinder, dremel, and trim a few things to make it fit. But it fit. Totally worth it, and its not a reman. Then go a buy a deep cycle yellow top optima battery for 180$. Money well spent. Before installing new alternator, make sure battery FULLY charged.
    Adding another battery is a waste, stock alternator works even harder to charge them both, unless your installation mickey mouse boogie style.

  8. #7
    still_walkin's Avatar
    still_walkin is offline Cadillac Owners Connoisseur
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    Re: high output alternator

    That's true I'm not going to add a second battery someone else told that to added a better battery to the stock alternator as you said. They told me alternator first then battery. My car did the same I had the big three hooked up I didn't let my car warm up and I had the system turned up and it completly shut off when I was driving it but I was makin a u turn but it was due to the system drain over the car lol. But I learne that to let it warmup/charge up before I crank it up. Thanks for all ur help .

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