Carb cfm with ported heads?

I had a “ hot” 318 motor in another car couple of years ago. Ran 11.60’s. It was a tenth quicker with a good 950 than with a good 750. And thats just a 318.
OMG! I had said a few times before that and had a 850 on a 318 and the scorn was. Un-freaking-believable!!!!!