There are two kinds of air chucks for duallys , one has the reverse chuck at 45 degrees, the other is parallel
You need the right one for your configuration
The nice thing about getting it installed in canada is paying in canadian dollars
Not sure what prices are now but before the pandemic the deals were surprising good
I am not doing trails per se , I am just trying to get my van to the best campsites. Offroading is not at all my hobby outside of this.
I grew up in a very rural area with lots of barely passable logging roads so my tire placement skills are pretty advanced.
I only have the 2 inch traxda lift...
I dont think you can put in the 4L80 because it messes up the computer.
My van does really well off road in mexico , the biggest problem is its geared way to high
I have an AWD express van and I never miss not having another 20 inches but its just me in the van usually.
Also , even with KO2s I can 18mpg on the highway if I keep it under 70 mph
I would never trade the AWD for longer wheelbase but I am also off road quite a bit in mexico