3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

03 Cummins

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Old Jan 16, 2008 | 09:07 PM
  #16  
Dieselnick's Avatar
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From: S. Oregon
Originally Posted by Tedonlin150
I knew the differences in power torque and strength but what makes them different?
Their computer's are just tuned for different levels of output; different fuel maps. They might have different sized turbos, but I don't think so. The SO had a cat and the HO did not.

Nick
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Old Jan 16, 2008 | 09:19 PM
  #17  
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I think if your build date is before 1-03 you will have a 47RE and if its after it will be a 48RE. I read that somewhere on here awhile back. I think my build date is 10-02 and i have the 47RE. Also mine is a SO and it had no cat. Only the California emissions cummins did...I think.
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Old Jan 16, 2008 | 10:09 PM
  #18  
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There is a sticker on the computer that is in the engine compartment in front of the passenger seat that says the computer has been updated. Does anyone know what this means?
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Old Jan 16, 2008 | 10:57 PM
  #19  
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From: S. Oregon
Originally Posted by Tedonlin150
There is a sticker on the computer that is in the engine compartment in front of the passenger seat that says the computer has been updated. Does anyone know what this means?
Must have been done by a dealer. Ask your local Dodge dealer. It may have been re-flashed to 305/555.

Nick
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Old Jan 16, 2008 | 11:26 PM
  #20  
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If it was flashed to 305/555 i'm going to be so excited!
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Old Jan 17, 2008 | 08:09 AM
  #21  
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They are supposed to put the stickers on when they flash the computer says so in the tsb. you probably had some sort of reflash to fix a problem not to go SO to HO look to see if there is any #s on the sticker
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Old Jan 17, 2008 | 09:29 AM
  #22  
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pik
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From: Clear Spring , MD
Originally Posted by Dieselnick
I think some of the later 03's had HO's with 48RE's

Nick
I have an '03 HO with 48re.
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Old Jan 17, 2008 | 09:38 AM
  #23  
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From: San Diego, CA
With your build date and the 250hp version, you have:

250 hp Standard Output with the 47RE trans, no catalytic converter.

2 upgrades that will benefit you and make your truck equal or better than an HO........Smarty programmer for power, and a built trans to take the power.
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Old Jan 17, 2008 | 10:21 AM
  #24  
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From: Modena,New York
47re or 48re
"Equipment Identification" label in the glove compartment will indicate transmission type. If your label has "DGA" beside the transmission, it means it's a 4spd auto. The next line will be "DG8" if it's a 48RE or "DGP" if it has a 47RE. The label will also show whether or not the torque converter is locking type or not.
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Old Jan 17, 2008 | 11:23 AM
  #25  
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From: Indiana
There isn't any way of "re-flashing" a computer to change from the 250 - 305hp. Just isn't how it was changed. There were a lot of other differences in the engine and ecm .
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Old Jan 17, 2008 | 11:59 AM
  #26  
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From: Way South
Originally Posted by Dieselnick
I think some of the later 03's had HO's with 48RE's

Nick
Absolutely. I own one
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Old Jan 17, 2008 | 01:11 PM
  #27  
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Ditto '03 HO with a 48re here too.
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Old Jan 20, 2008 | 11:35 PM
  #28  
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what does a 03 with the 5 speed manual for power??

Hemi_on
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Old Jan 21, 2008 | 02:04 AM
  #29  
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From: S. Oregon
Originally Posted by hemi_on
what does a 03 with the 5 speed manual for power??

Hemi_on
5spd's were SO's. 235 or 250 HP 460 TQ. Just look on your valve cover cover.

Nick
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