70 Duster/5.7 hemi finally makes it to the track...

generally speaking, a carb cant do anywhere near as well throughout the curve. The new hemis dont like a typical dizzy timing curve either. You can run the hemi's a little on the fat side (12.2-12.4) and they do very well. A little on the lean side and they dont like it so much.

I have not seen any curves back to back with the only changed variable EFI vs Carb. Do you have any?

Is RockinRobin using a distributor? He'd be the first on the site if so.