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<blockquote data-quote="n2audio" data-source="post: 8458881" data-attributes="member: 540940">yupyupI know everyone wants a black and white answer to this question, but there isn&#039;t one.Like the other two said -- there&#039;s really no number you can put on a particular stock set up.&nbsp; There are some very basic generalities, but nothing is absolute (or even typical) on this issue.I remember one of the moderators and Sounddomain a few years ago regularly pointing out he was running 2100 on a 95A alt for a couple years w/no significant problems.I on the other hand ran 1500 on 130A and blew 2 of them in 3 yrs, and I don&#039;t blast it very often.GENERALLY - I figure at 1000 you should probably be aware of your HO options because unless the stock alt is a monster, it&#039;s probably not going to last long.&nbsp; Going up from there the rate of stock alt failure&#039;s going to increase, on average of course.In my current car I&#039;m still running a stock alt with 1500w rms.&nbsp; I have no electrical issues besides very minor high volume dimming, but it&#039;s a 160A stock alt.At 2500 I&#039;d say go ahead and install it, but have a plan.&nbsp; See if there&#039;s an auto electric shop in the vicinity that will rebuild it with better parts.&nbsp; See if there after market upgrades.It&#039;s likely that alt will struggle hard when it&#039;s beating.&nbsp; Struggling means heat, consistent heat means early failure.</blockquote>

[QUOTE="n2audio, post: 8458881, member: 540940"] yup yup I know everyone wants a black and white answer to this question, but there isn't one. Like the other two said -- there's really no number you can put on a particular stock set up. There are some very basic generalities, but nothing is absolute (or even typical) on this issue. I remember one of the moderators and Sounddomain a few years ago regularly pointing out he was running 2100 on a 95A alt for a couple years w/no significant problems. I on the other hand ran 1500 on 130A and blew 2 of them in 3 yrs, and I don't blast it very often. GENERALLY - I figure at 1000 you should probably be aware of your HO options because unless the stock alt is a monster, it's probably not going to last long. Going up from there the rate of stock alt failure's going to increase, on average of course. In my current car I'm still running a stock alt with 1500w rms. I have no electrical issues besides very minor high volume dimming, but it's a 160A stock alt. At 2500 I'd say go ahead and install it, but have a plan. See if there's an auto electric shop in the vicinity that will rebuild it with better parts. See if there after market upgrades. It's likely that alt will struggle hard when it's beating. Struggling means heat, consistent heat means early failure. [/QUOTE]

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