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multiple alternators

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=114943
Printed Date: July 13, 2025 at 9:38 AM


Topic: multiple alternators

Posted By: soundnsecurity
Subject: multiple alternators
Date Posted: July 08, 2009 at 2:25 PM

i need to know what would be the best way to mount 4 high output alternators. more than likely it will be going into a chevy astro of an unknown year. i know they make dual mounts but that would only take care of 2 of them.

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Replies:

Posted By: DYohn
Date Posted: July 08, 2009 at 2:45 PM
You're talking about custom fabrication.  Get to know a good welder.

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Posted By: soundnsecurity
Date Posted: July 08, 2009 at 3:03 PM
thats what i figured. i was just wondering if i anyone made a mount that would take the place of something else on the engine like the AC compressor. it will be an SPL vehicle so we dont need AC

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Posted By: i am an idiot
Date Posted: July 08, 2009 at 3:26 PM
We have a customer here that has the OEM plus 2 on an 01 Expedition.  He went to several Alternator shops and they told him no way.  He got a friend of his to fab up a bracket.  He swears he has room for another, but he has the longest available belt on it with the 3.  I can get you a number for the guy that did the install if you like.




Posted By: soundnsecurity
Date Posted: July 09, 2009 at 1:52 AM
i am an idiot wrote:

We have a customer here that has the OEM plus 2 on an 01 Expedition.  He went to several Alternator shops and they told him no way.  He got a friend of his to fab up a bracket.  He swears he has room for another, but he has the longest available belt on it with the 3.  I can get you a number for the guy that did the install if you like.


i will keep that in mind. this build is still in the very early stages of development so i was just asking around. we are probably going to use a soundstream 15,000 watt amplifier on 2 soundstream xxx 15's. the single amp alone calls for about 1,000 amps of current at 14.4V to make about 15,000 watts so that is why i am asking about mounting up to 4 alternators. maybe just 3 350 amp alternators but either way it will be a custom job.

this build was just approved, so i wouldn't get ahead of myself. things could definitely change so i will keep you guys posted. thanks for the replys.

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