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<blockquote data-quote="BerniniCaCO3" data-source="post: 7480575" data-attributes="member: 636434">Figured I&#039;d follow up on this!I installed the capacitor yesterday,and, to my great relief, it works perfectly.Where before every time the fan kicked on, the engine would suddenly buck and rock the car as it stumbled to 200rpm and maybe recovered, maybe didn&#039;t; now... nothing, sweet nothing, not a ripple in the idle speed to tell you the fan turned on.The capacitor seems to provide the current kick just to start the fan; the alternator, and engine, can keep up from there.In my case I already had a huge battery, and it was already closer to the fan than even the alternator, by maybe 5 feet of wire; so a 2nd battery couldn&#039;t have been the answer.I don&#039;t know where capacitors sit in the audio world.I&#039;m not sure how audio competitions are usually run.If they&#039;re run with the car OFF a capacitor would do no good at all.If you have an audio competition with the car, and therefore the alternator running, I could see it helping with the heaviest bass notes, so the draw is on the capacitor and not on the alternator.&nbsp; It does seem to have worked a miracle in that fashion with my cooling fan.But it took a 70amp extra load to seriously affect my engine at idle: I&#039;m not sure how much an amplifier will be drawing just for a bass note, if it&#039;s anything like 70amps or not close.&nbsp; If not close, then again, probably a capacitor is a waste.</blockquote>

[QUOTE="BerniniCaCO3, post: 7480575, member: 636434"] Figured I'd follow up on this! I installed the capacitor yesterday, and, to my great relief, it works perfectly. Where before every time the fan kicked on, the engine would suddenly buck and rock the car as it stumbled to 200rpm and maybe recovered, maybe didn't; now... nothing, sweet nothing, not a ripple in the idle speed to tell you the fan turned on. The capacitor seems to provide the current kick just to start the fan; the alternator, and engine, can keep up from there. In my case I already had a huge battery, and it was already closer to the fan than even the alternator, by maybe 5 feet of wire; so a 2nd battery couldn't have been the answer. I don't know where capacitors sit in the audio world. I'm not sure how audio competitions are usually run. If they're run with the car OFF a capacitor would do no good at all. If you have an audio competition with the car, and therefore the alternator running, I could see it helping with the heaviest bass notes, so the draw is on the capacitor and not on the alternator. It does seem to have worked a miracle in that fashion with my cooling fan. But it took a 70amp extra load to seriously affect my engine at idle: I'm not sure how much an amplifier will be drawing just for a bass note, if it's anything like 70amps or not close. If not close, then again, probably a capacitor is a waste. [/QUOTE]

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