4x4

Trying to find the best fit for an 01 4.7l 4x4 Everything is stock currently It has drank 91 oct its whole life Found a 3715 tuner on ebay for $130 anything better?

Bought this transmission because I thought mine was toast. Ended up only needing a new trans filter. Old filter was so clogged it wouldn't allow any of the trans switches to operate. Let me know if you are interested. PM me or email & phone are below. Mark McCoy [email protected]

I have a 99 Durango 4x4. when I put it in 4 high it engages but when I take off it makes a grind sound ( like a fan blade hitting the shroud) but when I hold the 4x4 shifter while driving then it don't make that sound and works just fine. what would cause this issue? could it be a linkage or a...