Small block TrickFlow heads part 1

What’s your educated guess on capability with these heads ootb with a good combo, let’s say using one of your current cars, what do you think, ballpark, it would MPH at ootb and then after massaging? You should have more than an Educated guess for sure, what flow numbers etc are you thinking you can get them to? And how would that “likely” translate in MPH in the 1/4,