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Are you running 2.73's or 3.15's? With the 2.73's, I'd say you'd be hard pressed to get the tires to chirp even with those settings. You might try disabling the Torque Reduction, but beware of tranny damage.
My recommendation is drop for 3.42 or 3.73's. I installed 3.42's and with the car in Comp mode, the car will break loose and try to go sideways when it shifts into 2nd under full throttle. My mods are mild (ZL6 Powerflo Package from SLP) but man what a ride. I only tuned the pressure +5% and the timing -10%. I did turn off my Torque Reduction. (nino malo ). Good luck