Alright, I'm humbling myself and asking for help.
I've rebuilt by 6l80 in a 2011 tahoe ppv. Installed sonnax zip kit, sonnax 4-5-6 CLUTCH APPLY PISTON KIT, Transmission Oil Cooler 40,000 GVW, raybestos stage 1 friction, raybestos steels, billet backed torque converter, and have a new techm...