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Old 02-07-2010, 04:34 PM   #11
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Re: Heavy duty alternator

We did our van with a heavier duty alternator. At 21 months and close to 30k miles we have seen no problems with alt or batts.
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Old 02-07-2010, 05:09 PM   #12
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Re: Heavy duty alternator

Greg,

Did you have factory dual alternators? Or and aftermarket larger alternator?

Mike
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Old 02-07-2010, 05:42 PM   #13
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Re: Heavy duty alternator

Mike

Actually neither of those. There was an option for a Higher Output alternator that we chose. I didn't think we needed the duals, but wanted more than the standard.
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Old 02-20-2011, 06:03 PM   #14
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Re: Heavy duty alternator

Just to upgrade this post, the 200A MCI alternator was damaged and I ordered a custom flat wire wound 270A version from Nations (see caringb's post) for my rig. It is the necessary small case model needed for fitting on a 6.0 engine. One thing was the case hit against one of the bracket bolts. I contacted Adam Nations about this and he said it would be OK to grind out a small section for clearance. The wire size should probably be upgraded from the alternator to the battery but it should only matter if I was using a constant heavy load that doesn't taper off. I don't think I really needed as high amperage model as what I ordered but needed it fast and it was on hand. This unit has a great bridge rectifier system and seems to produce not radio noise or alternator whine. Time will tell if I made a good choice.
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Old 02-21-2011, 10:09 PM   #15
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Re: Heavy duty alternator

I wasn't being clear with my mechanic and ended up with a heavy duty alternator instead of a high output alternator when I replaced. No big deal for me but the heavy duty does not give you additional output.
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Old 09-23-2011, 09:20 PM   #16
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Re: Heavy duty alternator

How about a 250 Amp alternator with built in Welder system?

http://www.zena.net/htdocs/alternators/mar_alt.shtml
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Old 09-24-2011, 01:18 PM   #17
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Re: Heavy duty alternator

They even make some that will put out 110AC. The problem I found was finding one that fits into the 6.0.

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Old 10-24-2011, 03:09 PM   #18
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Re: Heavy duty alternator

I just did my alternator today, what a PITA. Not sure how anyone lifts the belt over the pulley or even levers the alt in place with the pulley on, neither of those worked for me. But I did manage to get a 1/2" breaker bar on the belt tensioner from underneath once I removed the two lower bolts on the radiator fan mask and pushed it forward. That just gave me enough leverage on the tensioner to get the belt on the alternator.
One thing I was reading about the 6.0 F350 is the wiring from the alternator to battery is quite thin and people are adding G2 wire from the alternator to the battery and getting a better charge.
On the van (well mine at least) I have decent G0 wire from the batteries to the starter then G4(at best) running from the starter to the alternator. So I ran another length of G4 wire from the alternator to the starter. That made a huge improvement in the voltage seen at the batteries.

So to all with upgraded alternators you may want to consider upgrading the wiring from the alternator to the starter as your probably not getting the most out of the alternator. I see a whole volt difference from connecting and dis-connecting the new wire I added during charging.
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Old 10-24-2011, 04:47 PM   #19
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Re: Heavy duty alternator

I noticed this sticker on the front of my engine the other day. Has anyone installed dual alternators on their 6.0? Would provide redundancy and extra charging capabilities.

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Old 10-24-2011, 05:02 PM   #20
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Re: Heavy duty alternator

Quote:
Originally Posted by Tapatio
I noticed this sticker on the front of my engine the other day. Has anyone installed dual alternators on their 6.0? Would provide redundancy and extra charging capabilities.

When I ordered my SMB I ordered dual alternators on my 2009, 6.0.

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