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Old 07-07-2013, 08:18 PM
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ironchef2011 ironchef2011 is offline
Dodge Ram Forum Senior Member
Join Date: Aug 2011
Location: Orange County, NY
Posts: 456
Gender: Male
Vehicle: 2012 R/T
Trim Level: R/T
Color: Black
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 5
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Is it possible for the dealer to just flash a 2500 program to the 1500 PCM's? That would eliminate MDS and give you the gear ratios of the 66 (68rfe) which should be plug and play but I cant ever find a straight answer.
I don't think it works that way. From the videos I watched, the internals are different between the two.
2012 R/T 392
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