Originally Posted by threeseventy

There's no need to lock anything. there are plenty of cars on this forum that would shame a 5.0 out of the box, key is to get traction. After mods and tune I didn't stop spinning rears thru 2nd until I put RE-11 305's on and when they're new they REALLY grab: stock widths are not handling the power that these UpRev'd Z's are generating so they end up toasted twice as fast as fronts. OP should look to standards.. G3, CBE, and tune, and some fatter rears with slightly stretched tires for max response. FTW.