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Yeah I'm hoping for a bit more longevity especially with some guidance for some mods to help it live longer. But my expectations are realistic if it throws it at 100k so be it I can pull it and I'll buy another with some stronger internals. I'd definitely try my hand at rebuilding the old core...

New member here, long time lurker with another 4l60e question thread haha I've got a 2010 Sierra 1500 SL 4.8 no-AFM with a 4L60E and a manual transfer case that just hit 70k KM, I bought this truck about 2 years ago at the 60K mark and did it's first transmission service. The fluid looked...