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6.0 stroker
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15 Posts
Discussion Starter #1
got my 2005 f350 6.0 and stock ficm is going out and was wondering about getting a 58 volt upgrade was seeing if any body can give me any imput good or bad.
 

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Registered
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186 Posts
I have one from swamps, I cant say anything bad about it. Didnt notice a difference after putting it in. All I can say is if you can upgrade a part.......DO IT
 

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I Love Work'N On Hot Rods
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1,549 Posts
Mostly everyone I talk to dont really see a gain in performance numbers with just a 58v upgrade but do notice a real difference when they have it with a FICM tune. JMO.

There are no negatives for running a 58v FICM other than your FICM voltage with a CTS wont be accurate as it only reads up to 50.0v so everything above that you wont see.
 

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7 Posts
I have a Swamp's 58v FICM I got last year at this time. My truck was in BD's shop getting an EGR delete when the FICM arrived so I took it over to the shop to have it installed and flashed. Mine throws the p0611 code, I think that's it, and it actually only read 54v when it was installed. It was $500 cheaper for me to get the Swamps unit then a replacement from Ford. The only performance increase I saw was it wasn't dead in the driveway anymore.
 

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83 Posts
I stand behind the Swamps Diesel's 58V FICM's. I have sold and installed over 100 units and had 1 go bad. Swamps warrantied it right away.

Keep the charging system and batteries good!!!

Dave
 

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'05 Excursion
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1,948 Posts
You could try it yourself. I don't have the nerve though. You screw up and your buying a new one.

http://www.bscustoms.net/diesel/FICM.pdf

Dave when a FICM is sent in you don't get the same one back correct? So is the version and whatever else read off the old FICM that is sent in so that the modded one returned is correctly "married" to the PCM? I have an '05 Ex and was told the coding is different then the '05 pickups.
 

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Registered
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338 Posts
I got mine fixed at FICMrepair.com.
Ed did a GREAT job.
He said that the 58v can make them less reliable ?
I went with the upgraded repair for $325.
My FICM is also tuned from PHP and that made a nice improvement and a 1-1.5 jump in mpg's.
 

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2Cruel
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1,645 Posts
Swamps Pionered the 58volt mod on the ficm and i have yet to see it less reliablem, We hae over 150-200k miles on the test truck with one on it. I agree on a moded truck i noticed little diffrence, but my sotp meter sucks however on a bone stock service truck i have noticed huge diffrences. So much that i do not even keep 48volts in stock anymore i talk everyone into upgrading to the 58 volts. And if you send yours in to be moded you will recieve yours back

Travis
 

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6.0 stroker
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15 Posts
Discussion Starter #12
yeah i have a buddy that went to swamps been checking everyone out think thats who im going with though.. but figured the 58volt wouldnt hurt i got 155cc injectors and a tuner.. thanks for info
 

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FNG
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6,018 Posts
I got mine fixed at FICMrepair.com.
Ed did a GREAT job.
He said that the 58v can make them less reliable ?
I went with the upgraded repair for $325.
My FICM is also tuned from PHP and that made a nice improvement and a 1-1.5 jump in mpg's.
FYI with Ed the repair is the exact same no matter what you pay for the unit. The difference in cost just covers the length of warranty.
 

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Registered
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1,963 Posts
nothing has to be changed outside of the FICM. The internals of the FICM are upgraded and the boards are resoldered.
 
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