i expect w/ a fresh motor (new rings, bearings, gaskets, cleaned, honed, possibly some mildly E7 porting), stall converter, rebuilt trak-lok w/ 3.90s and a quality shift kit (bauman or transgo...do not get B&M, mine sucks) at sea level you can run high 13s easily. I would go ahead and get the cam in there while the motor is apart so you wont have to do it all later. You might lose a little power w/ all stock components. Get the stage 1 over the E, its a little bit more powerful