I have a Holley Street Dominator intake that I'm trying to learn more about. I read on a post from 2004 that there are at least 3 variants that carry the Street Dominator name. One is great, one is OK, and one is junk. The pictures from this thread are no longer available, so I can't tell which is which. It's some what similar to the intake in the picture (I initially thought they were the same) but I don't believe mine is a spread bore. (see pictures of the actual intake further below). Also the one in this picture doesn't have a freeze plug in the front. Any info you could provide would be appreciated (model number). It's currently sitting on my solid lifter '73 Z, with an Edelbrock 1813 Thunder Series (I believe it is 800 cfm). Luckily, the car has a 4spd, because if I don't goose the throttle and give it a lot of gas off of idle, it wants to bog down. Other than that, it seems to perform pretty well.