Holley 6709 double pumper 750 carb info

Yaa.. I am truly a snot nose kid lol I'm 27.. but at least I'm doing something, I mean I'm takeing care of my parents and my nephew and I have a muscle car lol.. but all my friends are complete millennial's and are total dummies hahah but yes I have plenty of time to tinker, actually I have a hole cold a$$ winter to tinker lol so I don't mind but the way I think about it is might as well try. worse case scenario they don't work, and Thanks!! As stated above, I am a snot nose kid, but I love reading about this stuff, I just don't know where to find more info about these carbs, lol