My 70 Charger ran 12.30s @ 112 with a Stock Short block , 550 Solid roller , 906 home ported heads and a 6 pak. Full trim and thru 2.5 exhaust. 3.55s
Thats a 3900 lb car
I have seen a combo of a 537 hp 440 with a single plane intake on pump gas. I like the torque curve also. Tons of it way down low. Wondering how much the six pack would choke it down, or if it would at all at that power level. Here is a link to the article. How You Can Build a Stout 537HP Street 440
