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<blockquote data-quote="missinglink" data-source="post: 4445132" data-attributes="member: 590831">A 300amp alt will not help you once it gets hot as hell from the saturated windings internally. And will put out less at idle.&nbsp; 200 amp is about a max out of the size case you need.If a 300amp alt ran at 300amps for 5min it would be so hot it would probably be hotter than your exhaust after 30minutes of driving.&nbsp; Once it heats up your back with what you started with sometimes less.&nbsp;&nbsp; 300 amp alts are good for spl runs not for DAILY DRIVERS.&nbsp;&nbsp; Even power master says spl only on their 300ampers.All I can say is find out how long they guarantee the 300amp out put, or what is a amperage they guaranteed&nbsp; before you drop the cash.&nbsp;&nbsp; Bench testing an alternator is not the same as in your car test.I would get it tested by an auto parts or shop after its installed so you know what it is really doing and what you really have to work with.Higher out put alts cost to much just to believe what its labeled as, test it I promise you will understand why after!!!&nbsp; And its tested free most places nothing to loose.Sorry for the speech but just giving you heads up to protect your self.MLA</blockquote>

[QUOTE="missinglink, post: 4445132, member: 590831"] A 300amp alt will not help you once it gets hot as hell from the saturated windings internally. And will put out less at idle. 200 amp is about a max out of the size case you need. If a 300amp alt ran at 300amps for 5min it would be so hot it would probably be hotter than your exhaust after 30minutes of driving. Once it heats up your back with what you started with sometimes less. 300 amp alts are good for spl runs not for DAILY DRIVERS. Even power master says spl only on their 300ampers. All I can say is find out how long they guarantee the 300amp out put, or what is a amperage they guaranteed before you drop the cash. Bench testing an alternator is not the same as in your car test. I would get it tested by an auto parts or shop after its installed so you know what it is really doing and what you really have to work with. Higher out put alts cost to much just to believe what its labeled as, test it I promise you will understand why after!!! And its tested free most places nothing to loose. Sorry for the speech but just giving you heads up to protect your self. MLA [/QUOTE]

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