What rear gears and what type of transmission type of suspension is under it. I only ask because with the weight of the car might be a little tuff with steel heads, what intake and carb was on there.

71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's