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Heres the stock cal file from my 2003 Silverado 2wd 5.3L "T" with 4L60E
Also heres a stock 2005 5.3L 2wd Silverado cal file
I recently installed 05+ OEM efans on my 2003 an tried to reflash my PCM with the stock 2005 cal file but was told the PCM numbers are different, 12582605 for my stock 2003 and 12589463 for the 2005.
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Mike
1992 GMC Sonoma GT #492
Under Full Resto w/383 E85 LM7/T56
License Plate= CRN FED
2003 Silverado Ext Cab
Daily Driver---Its got a few mods.
Member of H.A.S.T.E
Houston Area S-Series & T-Series Enthusiast
www.h-a-s-t-e.com
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