5.3, EPS 222/226 cam. Patriot Stage 2 59cc 243's. XSPower 1 7/8 primary headers. CAI. Nitrous. Casey Rance tuned it. NV3500 school bus 5speed, G80 with 3.23's. Best it's gone is 12.2@117, on a 100 shot on worn out circle jerker slicks.