In one of Wyatts builds he shows a picture of the new spring. I bought it off him. I think it's in his write up of how to do the twin stick mod. The spring that has to be upgraded is part of the shifter assembly it goes in the tcase itself. Want me to find it?
Idk it's all just theories right now. Wyatt says rear AC is lost on the ones he has swapped. That's why I'm hoping one of us figures out a solution. If not I'm sure the half doors I'm dreaming of doing this winter will keep the kids cool.
We are planning on doing something like this. Above the lever boot you won't see that the levers have been modified. I think this plus notching the AC duct will fix the problem. My small kids like the rear AC.