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<blockquote data-quote="SicAudio" data-source="post: 7200446" data-attributes="member: 609136">I know ya was&nbsp; lol just wanted to make it clear for him why CCA is irrelevant //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gifand yes RC on paper that is how it works, but each car is different.&nbsp; And as Ecrack/Sexy both said the box rise is often overlooked..for daily IMHO you need 3-400Amps of alt/battery power in reserve.&nbsp; if you hammer it all the time you need an H/O alt and 2-300 Ah of battery..I have built more systems in my profession than I can recall and hardly any of the DD setups &quot;needed&quot; H/O alts... some absolutely did w/o a doubt&nbsp; but not many.in your case with those amps strapped and drawing close to 400 or more amps.. I would definately agree at least a 200A alt as well as 300 Ah of batts minimum...the ohm load you have the amps at makes their efficiency go way way down...which requires alot more amps for the same power...</blockquote>

[QUOTE="SicAudio, post: 7200446, member: 609136"] I know ya was lol just wanted to make it clear for him why CCA is irrelevant [IMG]//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif[/IMG] and yes RC on paper that is how it works, but each car is different. And as Ecrack/Sexy both said the box rise is often overlooked.. for daily IMHO you need 3-400Amps of alt/battery power in reserve. if you hammer it all the time you need an H/O alt and 2-300 Ah of battery.. I have built more systems in my profession than I can recall and hardly any of the DD setups "needed" H/O alts... some absolutely did w/o a doubt but not many. in your case with those amps strapped and drawing close to 400 or more amps.. I would definately agree at least a 200A alt as well as 300 Ah of batts minimum... the ohm load you have the amps at makes their efficiency go way way down...which requires alot more amps for the same power... [/QUOTE]

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