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Is my math correct?
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<blockquote data-quote="helotaxi" data-source="post: 4091498" data-attributes="member: 550915"><p>Copper is expensive as hell. Bigger alt means more copper and more expensive to make. With car companies cutting cost in every way that they can, you think that they're just going to have a bunch of huge alternators laying around to throw in whatever vehicle it could be made to fit?</p><p></p><p>The nicer vehicles have bigger alts because all the options draw power, heated seats, power windows, HID lights, fog lamps, power sunroof, etc. My car has a 165A alt from the factory, and they typically bench at around 180A. The power windows draw enough current to make the vent fan motor slow down from the voltage drop. This was before I installed any stereo components and the vehicle was completely stock. Don't for a minute think that a car doesn't draw a ton of amperage and that there is a ton of excess to play with because your stock alt seems big.</p></blockquote><p></p>
[QUOTE="helotaxi, post: 4091498, member: 550915"] Copper is expensive as hell. Bigger alt means more copper and more expensive to make. With car companies cutting cost in every way that they can, you think that they're just going to have a bunch of huge alternators laying around to throw in whatever vehicle it could be made to fit? The nicer vehicles have bigger alts because all the options draw power, heated seats, power windows, HID lights, fog lamps, power sunroof, etc. My car has a 165A alt from the factory, and they typically bench at around 180A. The power windows draw enough current to make the vent fan motor slow down from the voltage drop. This was before I installed any stereo components and the vehicle was completely stock. Don't for a minute think that a car doesn't draw a ton of amperage and that there is a ton of excess to play with because your stock alt seems big. [/QUOTE]
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Is my math correct?
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