Im looking to upgrade the TB on my 4.7L and i cant seem to find anyone that makes them. also looking to see what other people have to say about there upgrades to there Durangos. My is a 2008. AWD. Its new to the family so i dont know much about it. My gen 2 dakota and 89 Ram are both 318 i know those motors but this 4.7 is set up different and i dont knwo the peramiters for the sensors lbs of the injectors. because i havent looked. but i do know that with the MAF sensor i can upgrade with out major computer tuning Please let me know what you have done and how it worked out. (also coming up video of the 4.7L with a 40 series plus a new 3 in tail with the 2.5 resanator on it.)