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Old 02-15-2013, 02:07 AM   #11
popwarhomie
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Originally Posted by crice8 View Post
do you have any car audio batteries or just the stock one?
I have two amps, about 1400rms total and with only one shuirken bt-20 I had very little voltage drop. I just recieved a bt45 also that im going to add in and I expect almost no voltage drop.
Yes stock in front and a 55 AH in trunk right now. Drop to 13.5. But I have 2 102AH that will be going in the trunk for next setup.

I was hoping the stocker was 110 amp alt. That way it seems I was getting so much more with a 270 amp HO alt.. But if stocker is 150 then im only gaining 120 amps.

Kinda considering only doing a 2200 rms setup now and stick with a 200 amp alt and single 100AH battery.

But was planning on 4000 rms, 270 amp alt, and 2 102AH in trunk.
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Old 02-15-2013, 09:02 AM   #12
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Yes stock in front and a 55 AH in trunk right now. Drop to 13.5. But I have 2 102AH that will be going in the trunk for next setup.

I was hoping the stocker was 110 amp alt. That way it seems I was getting so much more with a 270 amp HO alt.. But if stocker is 150 then im only gaining 120 amps.

Kinda considering only doing a 2200 rms setup now and stick with a 200 amp alt and single 100AH battery.

But was planning on 4000 rms, 270 amp alt, and 2 102AH in trunk.
Yeah, Singer told me to just stick with my stock since it is already 150 amps.
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Old 02-19-2013, 10:58 AM   #13
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I've been looking at getting a HO one for my 2011. When I hit hard the RPM's drop noticeably or when I roll up the windows, turn on the lights, ect. the RPM's drop and I feel a little shake as well. I had ford check it while still under warranty and they said its fine. But now Im no longer under warranty, I dont want to get left stranded!
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Old 02-19-2013, 11:10 AM   #14
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Does anyone know about the 2012's?? I would assume that all trims have the same alternator. I'm running about 900 watts rms and I get a slight dim at idle when I'm pushing it pretty hard. I'd bet a second battery would be easier but just some food for thought.
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Old 02-19-2013, 12:06 PM   #15
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Does anyone know about the 2012's?? I would assume that all trims have the same alternator. I'm running about 900 watts rms and I get a slight dim at idle when I'm pushing it pretty hard. I'd bet a second battery would be easier but just some food for thought.
I suggest check some of the mk3 threads as this is for mk2's. also if you call ford they'll tell you.


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Old 02-19-2013, 02:04 PM   #16
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I dont feel like a need a HO alt anymore lol. My voltage at the amp is 14.5 at normal listening volume and the lowest I have got it to at full tilt and heavy bass notes is 13.9 lol

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Old 02-19-2013, 02:06 PM   #17
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Originally Posted by Bryan23ferra View Post
I've been looking at getting a HO one for my 2011. When I hit hard the RPM's drop noticeably or when I roll up the windows, turn on the lights, ect. the RPM's drop and I feel a little shake as well. I had ford check it while still under warranty and they said its fine. But now Im no longer under warranty, I dont want to get left stranded!
And I would not worry about this as mine did this even when I had taken my system out for a while. I would sit at stop lights and hit the window button just to the the rpms fluctuate lol
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