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Wow! Big Three works

Old 07-02-2007, 06:17 PM
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Wow! Big Three works

So I finally did the big three on my 98 Honda Civic DX....and WOW, what a difference.

My Alpine MRV-F345 voltage display was reading about 12v with front 6.5" comps and rear 6x9's only (no mono block)

Now it's reading 14-14.4v....time to hook up my new MRP-M650 and see how far it dips under load.
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Old 07-02-2007, 06:34 PM
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That's quite a gain, nice.
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Old 07-02-2007, 06:56 PM
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before and after wire sizes?
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Old 07-02-2007, 07:19 PM
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Originally Posted by wiltshire559
before and after wire sizes?
0/1 now. Was probably 12guage off the alt and maybe 8-10 on the grounds
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Old 07-04-2007, 01:03 AM
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Well I added my 2nd amp and the voltage fell to 13.2-13.6 on long bass notes...still not bad considering
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Old 07-04-2007, 10:33 PM
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im prolly gonna do my car this weekend...it has like 8 gauge wire for everything....glad to know that it actully makes a difference
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Old 07-04-2007, 10:52 PM
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I did this to my 91 corolla that we are building and went from 13.9-14.1 at idle to 14.52 steady after the big 3.

I used a double run of 4ga from the neg battery post to the chassis, double runs of 4ga from the chassis to the engine block and 2ga from the alt to battery.
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