Peroni,
I have a SXE 363/68/.83 gated. I am at about 3000' in elevation, and wander to 8000+. I am running a ZF6 and 3.55 gears. I had the .91 turbine housing on the 363, it was much better then the D66 turbo it replaced, but, still did not clean up the 160/80 injectors on a hot tune unless...