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Go Back   Chevy and GMC Duramax Diesel Forum > Chevy / GMC Duramax 01-04.5 LB7 Forums > 01-04.5 LB7 Duramax Powertrain
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01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

 
       

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Old 11-06-2009, 04:34 PM   eBay Motors   #1 (permalink)
rawwalk
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01-04 Lb7

I am looking at buying another Dmax a LB7 and I wanted to know if there is any diffrence in the years of the LB7. I mean is an 03 motor better then an 01 or is there no diffrence in them?
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Old 11-06-2009, 04:38 PM   eBay Motors   #2 (permalink)
WisconsinHick1
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From what I have understood there is no difference in motors from 01-03 just different OS on the ECM and TCM. A few more tuning options if Im not mistaken in the 03-04.
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Old 11-06-2009, 04:53 PM   eBay Motors   #3 (permalink)
rawwalk
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right on, I would like to hear some more about this, is it something that a guy should look for a newer one for the tuning, or is there not enough change to make a diffrence.
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Old 11-06-2009, 04:55 PM   eBay Motors   #4 (permalink)
WisconsinHick1
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Im not sure that would be something for a EFI Live guy to tell you. I don't think you can get anymore HP out of them I just think they have more parameters on curtain things but again I am not sure.
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A FEW MINOR UPGRADES

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