This is how my old school 71 duster was built. It was made to run 11.001. It did so well that for 7 or 8 years straight it was the track champion. Narrowed 8.75 with 4.30 gears. Resplined axles. No back brace. No snubber. The spring pads were boxed in. Mopar long shocks. SS springs. Frame connectors. 6 cylinder T bars. 90/10 front shocks. 12 inch rims. 12.2x31.25x15 W series good Year slicks. Cheetah shifter. 727 with rmvb. 3800 T/A converter. 440 with the old super stock cheater cam. 10.5 compression. Pro parts headers. 2800 lbs. w/o driver. The 60 ft times were 1.34-1.37 Kim