butric Posted June 27, 2013 Report Share Posted June 27, 2013 I am planning on putting about 5,000 watts of power into a car and of course, it has the stock alt, so it probably won't hold up. I understand that alternators come in different sizes, let alone different amperage's, but I need to know how to go about selecting an alt that will fit my engine/car. Louder is BETTER Link to comment Share on other sites More sharing options...
lolitskasey Posted June 27, 2013 Report Share Posted June 27, 2013 I have a DC 5k @.5 ohms on one DC power 270xp and three group 31s in the back. And my voltage hold up very well. Link to comment Share on other sites More sharing options...
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