We would be more than happy to set you up with a retrofit kit! We can do a stock 15 charger swap which will give you a little boost in power and get rid of that troublesome turbo in there now or we can upgrade you to the towmaxR or streetmaxR for even more power. Those kits will come with...
I had it for a while also and did not like the way it popped out of overdrive right at 50. I found myself speeding around just to keep it in OD too. It pulled pretty good in OD though., with 190/100's.
Sometimes a the vgt portion of the turbo is beyond the cleaning point. Depends what the unison ring looks like etc... It is also possible that the vgt solenoid is going bad. My truck did the same exact thing a while back with my stock turbo. Mine just needed cleaned but it started to come back...
Just open the radiator drain, put the garden hose in the degas bottle and let the truck run. When you go to put ELC in the truck, get "silicate-free" coolant and use distilled water with it.
Like 05wh250 said... Try following lines from the heads back to the filter housing and then back to the frame from there. make sure all banjo bolts are tight and have copper washers on them.