vannatta20
Newbie
T case output gear needs to changed. If you have a 4l60 then change the gear to the one the 4l80 uses.
GM NP246 Transfer Case Input Shaft.32 Splines for the 4L80E TransmissionPart Number: 19019
GM NP246 Transfer Case Input Shaft.32 Splines for the 4L80E TransmissionPart Number: 19019
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