It should work and work well. The big bore (4.340) short stroke will be great.
How is it the Chevy guys can run 500Plus cfm heads on there stuff and we somehow cannot run heads that will NEVER see 350 on ours? I would be curious to see your rule package as to what your allowed. I know that some of the Classes out on the salt can result in some interesting packages. I used to work on a guy who ran a 291 cid Desoto hemi out there years ago. Different and neat.
Todd