12 bolt with 3.73 , ls6 intake , v2 cam we think , kooks headers and catted y with slp catback , tons of suspension mods , everything but shocks and springs was done to it .
dynos 373 at the wheels .
That was his first time ever running slicks so he will be going back again for more practice . It has much more mpg on street tires since the slicks were 28s .