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6.0L Performance Parts Discussion What has or has not worked for you?

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  #1  
Old 02-18-2012, 02:21 PM
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FICM Helps please

well the old 6.0 has been acting crazy lately so checks the ficm volts and when starting and at idle it reads 42 volts. so i guess its time to rebuild. who should i send it to and should i get it tuned? will i gain any from it? 48 or 58?
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Old 02-18-2012, 03:30 PM
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I didn't notice a lot with the 58. Look on ebay there's a lot of companies that do it cheap. Or ficmrepair.com
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Old 02-19-2012, 09:17 AM
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ok thanks ill look
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Old 02-19-2012, 09:23 AM
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go to ficmrepair.com just got mine back from there on Friday truck runs great now
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Old 02-19-2012, 09:26 AM
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Weak batteries can give a false reading.
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Old 02-19-2012, 10:49 AM
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Quote:
Originally Posted by Lilpooh View Post
Weak batteries can give a false reading.
Would weak batteries cause the ficm to be below 40 volts till the vehicle warms then drop to 46-47 when vehicle is given little extra throttle?
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  #7  
Old 02-19-2012, 11:27 AM
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Quote:
Originally Posted by dabeeler View Post
Would weak batteries cause the ficm to be below 40 volts till the vehicle warms then drop to 46-47 when vehicle is given little extra throttle?
It could, this is why when you test the FICM and have lower than normal FICMv readings,you should always have your batteries and alternator tested to be sure they are in tip top shape.
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Old 02-21-2012, 02:22 PM
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I sent mine to Swamps deisel, got it back in four days. I had it converted to the 58volt and the PHP tune put on it. I noticed a slight difference, I guess I was hoping for more though.
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Old 02-21-2012, 05:05 PM
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Ficm repair.com is who I just went with. Ed is very good to work with and great communication.
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  #10  
Old 02-21-2012, 07:44 PM
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I got the swamps 58v with tune and noticed a hair better behavior. Nothing otherworldly, but am happy.
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