440-1 flow numbers

I wonder if the 240's have enough metal in the right places to equal Indy SRs? A guy i know, and pitted next to, had a 499 with heavily ported SRs, ran an 8.37 at 2500 lbs with them.
Wow. I will be doing my best to find that out.
I can't imagine 290 ccs be undoable