I have a 347 stroker short block on order and it should be here within the next month or so. Since ill have the heads off obviously, would it be beneficial to properly block of the holes between the block and the heads and delete the egr all together, or do you think it would still cause driveability issues. Anyone done this? Also, Regardless of whats listed as my mods, I sold the blower and im going to be n/a