Sounds a little similar to my combo (340/417 stroker at about 10.5:1 compression) though I'm only running some ported J heads. 727 with 4000 stall Turbo Action converter. 4.10 gears as well with a GV overdrive, but all the suspension is all set up for street. Looking forward to seeing what it will do at the Mopar Showdown at Rock Falls this year. Running 295/55/15 MT ET Street Drag Radials.
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