I know I don't fit into this forum perfectly but I was still looking for some good advice. I'm rebuilding a 350 to put into my 63 Impala. +.030 w/ speed pro hyperuetectic pistons, all new bearings, and so fourth. I have a set of 76cc 441 GM heads. Although I know they're pretty good heads I was looking to upgrade. I want 64 cc so I don't have to go to a domed piston to get my compression ratio up to about 10:1. Does anyone have any suggestions. A few I had in mind were AFR's, World S/R Torquer, Dart Iron Eagle, and Edelbrock Performer and performer RPM heads. I plan on matching my cam to the heads. I want low end - midrange power. Any suggestions guys??