I had a '78 with a mild 460 BBC. Comp cam 292H, Edel RPM, 9.5 compression, 781 oval ports (2.065 intake), 6 point roll bar, 3.89 gears, Mc Creary DOT tires. Car ran 12.0's easily. Wouldn't 60' with those tires to save its life, but ran 116 mph out the back. These cars need to be stiffened up (a 6 point roll bar wont do it). After every pass I had to tuck the rubber filler strip back under the front bumper.
BTW, 2 door Malibu is hard to come by around here. The 83/84 2 door Olds make a nice looking drag car too.