318 head porting for the average joe

Great thread, glad it helped some people.
Found a set of 920 closed chamber heads.They had hard seats, so why not..
Closed chambers. Ugly lookin edges and shrouding.

Flowed a intake on 4" bore @28"
.100-55
.200-109
.300-161.2
.400-177.9
.500174..turbulence
.550-177.2
.600-181