Would be interesting to see a Procharged BB Vs SB shootout.

Small Block R-3 block .060 over 340 bore size + 4.1 inch crank (433 CID) with Indy W-2 heads & single plane intake.

Big Block .030 over 383 + 3.75 crank with 440 Source Heads & single plane intake (432 CID).