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Jeep Wrangler YJ
YJ General Discussion
High Output Alternators
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<blockquote data-quote="Steel City 06" data-source="post: 429232" data-attributes="member: 18659"><p>I’ve dealt with several HO alternators.</p><p></p><p>I recommend reaching out to the following three companies:</p><p>[URL unfurl="true"]https://www.singeralternators.com/[/URL]</p><p>[URL unfurl="true"]https://www.dcpowerinc.com/[/URL]</p><p>[URL unfurl="true"]https://www.mechman.com/[/URL]</p><p></p><p>Those three companies routinely build alternators up to 370 amps for most cars, and I’ll bet at least one of those companies will build a 370 amp (or smaller) model for your YJ.</p><p></p><p>I have had great experience with Singer alternators. They rebuilt a fried Mechman 370 amp alternator (Denso core) into a 270 amp alternator that has been flawless for 80,000+ miles.</p><p></p><p>Note that idle output is always less than cruising output. A 370 amp alternator, for example, generally only does about 220 amps continuously at hot idle. A good rule of thumb is hot idle continuous amperage is about 60% of cold high RPM peak output.</p></blockquote><p></p>
[QUOTE="Steel City 06, post: 429232, member: 18659"] I’ve dealt with several HO alternators. I recommend reaching out to the following three companies: [URL unfurl="true"]https://www.singeralternators.com/[/URL] [URL unfurl="true"]https://www.dcpowerinc.com/[/URL] [URL unfurl="true"]https://www.mechman.com/[/URL] Those three companies routinely build alternators up to 370 amps for most cars, and I’ll bet at least one of those companies will build a 370 amp (or smaller) model for your YJ. I have had great experience with Singer alternators. They rebuilt a fried Mechman 370 amp alternator (Denso core) into a 270 amp alternator that has been flawless for 80,000+ miles. Note that idle output is always less than cruising output. A 370 amp alternator, for example, generally only does about 220 amps continuously at hot idle. A good rule of thumb is hot idle continuous amperage is about 60% of cold high RPM peak output. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
High Output Alternators
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