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Old 10-29-2013, 04:57 PM   #11
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Re: Dual Altrrnator?

Sounding like it'll be easier, in spite of having to buy and run bigger cables, just to upgrade the single alt and tie it to the house bank/inverter/controller using Blue Sea gear.

Before I go buying, I need to confirm amps I need. Does anyone know how many amps it takes to run a 7.3 w A/C, lights, radio, wipers, and the engine? I'm guessing about 90?

JC
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Old 10-29-2013, 07:16 PM   #12
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Re: Dual Altrrnator?

Quote:
Originally Posted by JCTex
Sounding like it'll be easier, in spite of having to buy and run bigger cables, just to upgrade the single alt and tie it to the house bank/inverter/controller using Blue Sea gear.

Before I go buying, I need to confirm amps I need. Does anyone know how many amps it takes to run a 7.3 w A/C, lights, radio, wipers, and the engine? I'm guessing about 90?

JC
I have a 7.3L (Excursion) but I honestly don't know the amperage requirement. I would guess that it's lower than 90A, if for no other reason than most alternators don't put out that much juice at idle. I'm curious what the answer to your question is though.


Herb
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Old 10-29-2013, 07:41 PM   #13
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Re: Dual Altrrnator?

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Originally Posted by JCTex
Chris, thanks; but don't sweat the pix. Just can it be done from your point of view?

JC
Yes, If I were you I would find a 7.3 ambo and see for yourself.
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Old 10-29-2013, 07:41 PM   #14
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Re: Dual Altrrnator?

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Originally Posted by Ford_6L_E350
The dual alternator setup can be done. It will be more involved than you might think. With two alternators there are two drive belts and several pulley have to be changed to support the dual drive belts. Best chance would be to find a dual alternator setup in a wrecking yard and get all the parts. That might include the fan and shroud or maybe not, but both belts and all the pulleys and the support brackets for the lower alternator.

On my van, both setups are in the sticker for the belt routing.

Oh, all the above applies to a 6.0, not sure if it applies to a 7.3.

Mike
One belt on the 7.3's.
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Old 10-29-2013, 08:01 PM   #15
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Re: Dual Altrrnator?

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Originally Posted by UJOINT
One belt on the 7.3's.
Just did a full cooling system service on my 7.3L Went with the dual alt (ambulance) upper radiator hose even though I only have one alt, because that hose goes around the outside of the belt, rather that through the interior loop of the belt. Much easier to change a belt without having to deal with removing a radiator hose.


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