Small Block Head Flow Chart

Here are some numbers from Larry Smith he did on my P7 heads Larry said this is the best head out there for the sbm hard to disagree RIP Larry
100-115
200-164
300-238
400-318
500-365
600-415
700-431
800-439
2.20 intake
1.60 exhaust waiting on a new cam to arrive then start putting it back together 1 of the last set of heads and intake Larry did