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<blockquote data-quote="quackhead" data-source="post: 7881392" data-attributes="member: 573547">IIRC, you have a 105a alt? I feel comfortable saying this:You should do the big 3 and get a good AGM battery under the hood. Double check the dimensions on the HC1800 and your current battery to verify a good fit. With the 105A alt, it is going to be close, as far as keeping up...mostly this will depend on your listening habits. I mean, like if you listen to dubstep, or something similar with a constant low synthesized bassline at high volume, you will eventually overrun the fact alt. If you listen to more instrumental types of music, you might get away with it.One of the most important and often overlooked things you should have is a digital volt meter tied into the power wire at the bass amplifier. With this mounted where you can keep a close visual on the actual voltage the amp is getting, you will accurately know how far you can push the system without pulling the voltage down too far. 1650 watts is pushing it on a factory 105 alt..kinda like dancing on the line. You might need that 180a DC Power H.O. once you get settled in with a good battery, better wiring and constant voltage monitoring. I can assure you of this though: You will need the battery and wiring upgrades, whether you find you need a H.O. alt or not.a link to one of those volt meters (there are a few others to choose from if you google them):<a href="http://www.sonicelectronix.com/item_46311_Stinger-SVMB.html" target="_blank">Stinger SVMB Stinger SVMB Blue LED Voltage Display</a></blockquote>

[QUOTE="quackhead, post: 7881392, member: 573547"] IIRC, you have a 105a alt? I feel comfortable saying this: You should do the big 3 and get a good AGM battery under the hood. Double check the dimensions on the HC1800 and your current battery to verify a good fit. With the 105A alt, it is going to be close, as far as keeping up...mostly this will depend on your listening habits. I mean, like if you listen to dubstep, or something similar with a constant low synthesized bassline at high volume, you will eventually overrun the fact alt. If you listen to more instrumental types of music, you might get away with it. One of the most important and often overlooked things you should have is a digital volt meter tied into the power wire at the bass amplifier. With this mounted where you can keep a close visual on the actual voltage the amp is getting, you will accurately know how far you can push the system without pulling the voltage down too far. 1650 watts is pushing it on a factory 105 alt..kinda like dancing on the line. You might need that 180a DC Power H.O. once you get settled in with a good battery, better wiring and constant voltage monitoring. I can assure you of this though: You will need the battery and wiring upgrades, whether you find you need a H.O. alt or not. a link to one of those volt meters (there are a few others to choose from if you google them): [URL="http://www.sonicelectronix.com/item_46311_Stinger-SVMB.html"]Stinger SVMB Stinger SVMB Blue LED Voltage Display[/URL] [/QUOTE]

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