What About Edelbrock 340 Heads?

2 cents. I am grateful 4 ur guys past experience. on porting a lot 4 get more important than brand compression is match port! at carb at intake. got me more wins. was stock 340,edelbrock,850 2 sguirter 430 69 swinger o 4spd. did lift lft front on street. o and a road runner re welded rear end this back in 80,s. thanks. also do any type exhaust at connections all.