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03-14-2019, 07:26 PM | #1 |
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Join Date: May 2010
Location: Massachusets
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MSD Capacitor
Of what benefit, if any, is an MSD Capacitor with a 7AL-2 plus? Everything seems to run fine so is it worth the cost to add it?
Bob |
04-05-2019, 05:08 PM | #2 |
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Join Date: Jan 2018
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Re: MSD Capacitor
Not sure on how much the capacitor costs from MSD, I usually get mine from work or go to the local Electronics store or online from where ever is the lowest cost. It is just a standard 25000 uF (micro-farad) 12 volt or higher rated capacitor. Most are rated for around 20 VDC.
A capacitor has a function of opposing a change in voltage of whatever circuit it is installed. It also acts like a battery, holding a charge for a short time. And it also acts as a buffer for the car's MSD power if you are running an alternator (remember it opposes a change in voltage) that may every so often output a voltage spike due to the regulator being flaky or a loose connection on the charging wire. Kind of cheap insurance as a filter of power. I have one on my MSD box and on my delay box. |
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