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Old 05-28-2015, 06:06 PM   #1
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Bigger Amp Alternator

G,day,

Does anyone have a bigger alternator in their SMB?

What are the Pro's & Con's?

Which one do you have and what size?

Cheers, Doug
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Old 05-28-2015, 07:13 PM   #2
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Re: Bigger Amp Alternator

I've had one of these for several years: https://www.dcpowerinc.com/fit/Ford~E-3 ... 70-xp.html

Works great. I ran a 1/0 cable to the starter to make full use of it. Installation was a pain as getting the upper intercooler pipe around it required a longer 45 degree elbow off the turbo, and I can only use one of the mounting ears on said pipe.

Z
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Old 05-28-2015, 09:43 PM   #3
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Re: Bigger Amp Alternator

I have the slightly lesser amperage alternator as Zeta. Mine, however, was plug and play with upgraded wiring of course.

Nice to see 13+ volts almost immediately upon startup after the glow plugs draw the starting batteries down.
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Old 05-29-2015, 01:32 PM   #4
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Re: Bigger Amp Alternator

This is a really good read for tips on alternators as well as a vendor for DCpower. http://www.ficmrepair.com/index.cfm/pag ... /cat13.htm

My alternator thread: viewtopic.php?f=14&t=10221
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Old 05-30-2015, 06:29 PM   #5
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Re: Bigger Amp Alternator

Nations is selling an XP-270 with a lower max set point voltage. The one I bought two years ago fits in a standard case and required just some slight grinding at the base.
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Old 05-31-2015, 12:52 AM   #6
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Re: Bigger Amp Alternator

Quote:
Originally Posted by daveb
Nations is selling an XP-270 with a lower max set point voltage. The one I bought two years ago fits in a standard case and required just some slight grinding at the base.

daveb & others,

Are you happy with your nations alternator?

They talk about 5 groove belt. Will my 2008 Ford e350 diesel 6.0 be 5 groove belt?

I looked at Nations web site a few days ago, but am checking further, before committing?

The bigger output alternator appears to have a much higher output at lower revs than standard alt?

Look forward to your input)s) please?

Cheers, Doug.
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Old 05-31-2015, 09:53 AM   #7
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Re: Bigger Amp Alternator

Quote:
Originally Posted by Sheriffdoug
The bigger output alternator appears to have a much higher output at lower revs than standard alt?

Cheers, Doug.
For me, that's the whole idea in a nutshell. I can re-charge my house battery in 20 min of idle. I don't have solar panels.

This is the one I was considering from Nations before I went with a DCpower. It's a direct fit but you'll probably still want an additional wire to carry the extra current. http://www.nationsstarteralternator.com ... %20190.htm

And I'm pretty sure the higher output options from Nations are made by DCpower.
http://www.nationsstarteralternator.com ... 00-spx.htm
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Old 05-31-2015, 10:50 AM   #8
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Re: Bigger Amp Alternator

I'm probably starting to sound like a shill for DCpower but another reason I went with the XP series over the SPX is the rectifier is laser welded and has a hairpin design stator and better technology. You can read about the two the alternators technologies here (hit the Read More Button):
https://www.dcpowerinc.com/high-output- ... ators.html
https://www.dcpowerinc.com/high-output- ... ators.html

With the large electrical accessory load our rigs have (ie, extra house battery, inverter, refrigerator, bitchin stereo) as well as external air compressor to air up the tires and winch, there is little question that the stock 110A OEM was not really up to the task. Id rather have an alternator that is hardly working than one that is working all the time.

The only thing you need to do for a higher output alternator is add on to the charging system which is 3 cables from the alternator to the battery. You don't need to remove your existing cables. The other bonus that I alluded to earlier is that by upgrading the power leads from from the alternator to the battery and not just the starter, it allows the alternator to begin charging the batteries immediately upon startup rather than having to wait for the glow plugs to turn off before charging is allowed as with the stock set up.
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Old 06-01-2015, 08:09 AM   #9
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Re: Bigger Amp Alternator

I just installed the DC Power, I didn't modify or add any power cables in the end. It's so much nicer, but then my last alternator was toast.

viewtopic.php?f=14&t=14465&hilit=+alternator
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Old 06-04-2015, 04:14 PM   #10
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Re: Bigger Amp Alternator

G'day,
What will my Ford e350 2008 6.0 diesel current Alternator belt be, 5 or 8 groove belt, please?
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