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i just tried the segment swop.
the segment swop icon is not allowing me to select.

no boost.
thats a 8# os# correct?
i did have a tuner make some base adjustments for the cam.
i don't think he did any thing with the 2 bar
but i did at 1 point have a bullydog tuner installed...

05 chevy tahoe 5.3 tow cam, long tube headers
4l80e swop 4x4 1 ton 410 gears
np205 t case
black box gear reduction planetary

thank you
do you thing what will work for my needs?

My vin# is 1GNEK13Z85R241458
Man i appreciate this.
:pray:

the os# for my truck is. 1252064
it hasn't changed
i'm looking for a stock 4l80E tune for segment swop.
do i need to share my tune file with someone to get this job accomplished.

where do i find my OS #

this is my correct SO# 1252064 2 bar
1262064 3 bar
thank you for your help. i'm having tons of trouble finding a match.

ISO stock 4l80 file for os# 1252064:banghead: