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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Well for the Hemi motor you would want model # 3815 Superships Flashpaq programmer. As far as using it on your truck than your dads. Well that is a negative. The only way your dad can use your programmer is if you return your truck back to stock settings then your dad can use it. I hope this helps.
The 3714 also works in the 03, got it on mine. It is just not quite as adjustable specificly in the tranny tuning are. The 3714 set the shift firmness and shift point for you were as you set them on the 3715.
looks like ill get the 3715. im getting ready to mount some Toyo A/T's on a set of 06 20's and im gonna get the superchips to help w/ power. i have 3:55 gears (which I hate!) and figure a little more grunt from the chip will help. also have a k&n 77 series on it and will be doing a flowmaster 50 series muffler eventually.