Advantage of 58v FICM - Ford Powerstroke Diesel Forum
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post #1 of 10 Old 12-05-2011, 08:46 PM Thread Starter
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Advantage of 58v FICM

My truck has a new FICM. Less than a year old. It's totally stock. What's the advantage, if any, to updating to a 58v unit with or without a performance tune in the FICM?

Thanks guys.

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post #2 of 10 Old 12-06-2011, 04:23 AM
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Quote:
Originally Posted by steed281 View Post
My truck has a new FICM. Less than a year old. It's totally stock. What's the advantage, if any, to updating to a 58v unit with or without a performance tune in the FICM?

Thanks guys.
None. Wait until it goes bad.

Brian


'05 F250 Harley-Davidson

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post #3 of 10 Old 12-06-2011, 04:55 AM
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I talked with the guys at ficmrepair.com and they said they stopped offering higher voltage ficm's because the overall reliability was sacraficed. They said they repair theirs to work at 48 volts, but with much higher quality parts, (and much harder to find, he added). He mentioned that the overall main board was less than capable of handling the higher voltage, or something to that effect. They say (swamps) that they'll run longer with their high quality 58v upgraded parts, so who knows. They do advertise that they run better, and actually make slightly more power, as the extra voltage starts to operate the Injector sooner, and longer. I wonder what that does for mileage?



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post #4 of 10 Old 12-07-2011, 06:55 PM
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Most people are getting an additional 1-1.5 mpg with swamps performance flashed 58v.
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post #5 of 10 Old 12-08-2011, 02:11 AM
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You can just get your FICM tuned from PHP like I did and gain 1-1.5 mpg that I did.

2007 6.0 PSD,F350 4X4 Lariat,CC, DRW,9' Knapheide body, stainless steel lader rack, SCT with custom tunes, ARP's, EGR delete, ITP RR, Airdog II 130/75, Garrett Powermax, Banks turbo back, Firestone air bags, Autometer gauges
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post #6 of 10 Old 12-08-2011, 03:23 AM
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Quote:
Originally Posted by bfrank81 View Post
None. Wait until it goes bad.
Agreed. If it ain't broke, dont mess with it. You can have the PHP performance flash put on your 48V if you so wish. But there's no point in upgrading to a 58V system until yours starts going bad.

David
2012 CCSB SRW FX4
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post #7 of 10 Old 12-08-2011, 03:51 AM
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I just refashed my 04 yesterday fromARZ2H00, to the PHP tune without inductive heating. this morning it fired right up after a 16 hr 25 degree soak. I will post when I have some miles on it. Without inductive heating your FICM should last longer, mine failed last winter, and I repaired it myself.
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post #8 of 10 Old 12-08-2011, 04:53 AM
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I talked with the guys at ficmrepair.com and they said they stopped offering higher voltage ficm's because the overall reliability was sacraficed
Just when I'm ready to upgrade to a higher voltage FICM because of all the great things I've read here about doing such...now there's something wrong with that. It never seems to end.
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post #9 of 10 Old 12-08-2011, 05:34 AM
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I'm thinking the reliability is due to perhaps to extra heat being produced by the FICM. I know some guys put some heat shielding between the engine and the FICM. I'm toying around with a force air cooling set up for my FICM, but now that winter is it probably won't get fabbed up until spring.

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post #10 of 10 Old 12-08-2011, 06:17 AM
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Vibration and lead free solder seem to cause the failure, heat just makes it worse.
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