high output alternator
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=112242
Printed Date: May 15, 2025 at 5:50 AM
Topic: high output alternator
Posted By: thegreat22
Subject: high output alternator
Date Posted: March 09, 2009 at 7:27 PM
I have a 2001 Chevy taho with 2 15 kicker cvx dvc 4ohm.
Will a 250 amp alternator 125 at idle (db electrical) be a good replacement for my stock one or should I save my money and get an iraggi amputator 240 amp 145 at idle.
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(The Great)
Replies:
Posted By: stang351w
Date Posted: March 10, 2009 at 9:53 AM
that would depend alot on what kinf of power your amps are going to need to run the subs. if your only going to draw 100 amps of current then the smaller amp will be fine. but if your system will be drawing 200 amps then you'd need the lager of the two.
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Tri County KustomZ
certified installer
Posted By: audiocableguy
Date Posted: March 10, 2009 at 10:28 AM
The output between the two is so close.
Irragi has a good reputation and will give
you a tad more power at idle.
Remember HO alternators use a smaller pulley to spin faster
than stock. In my case the difference was 1/2". That fact
added $400 to the install. Check your belt tension after it's
installed. Belt slip will overheat the bearings and cause
premature failure.
Posted By: thegreat22
Date Posted: March 10, 2009 at 10:40 AM
My amps pull 150 total
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(The Great)
Posted By: audiocableguy
Date Posted: March 10, 2009 at 1:37 PM
Yes, they might pull 150 amps, however this
varies with volume, types of music. In other
words, the 150 amps isn't constant. What the
Alt can't supply gets sucked from the battery.
Posted By: aznboi3644
Date Posted: March 10, 2009 at 7:15 PM
Buy the biggest alternator you can afford...There is no overkill for electrical. If I could afford it I'd have dual 250 amp alts for my 1000 watt system. Overhead is good.
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