10.90 120mph. My bro's Aspen R/T with a ported 906 head 12.5 comp ross piston, 312 .590 cam 446 went 10.60's at 123mph. Tight 8 inch converter (4500rpm) with 4.10 gears. it ran that at Lapeer almost two years ago in 70 degree weather 60 footing in the 1.48-1.50 range off the foot brake.