If you are in the midst of a good old fashioned bench racing session about your favorite high performance engine, at some point the name Holley is bound to turn up. As talk turns to Holley carburetors ...

We know your type − you wear glasses instead of contacts. You have a vinyl copy of UFO’s Phenomenon instead of one of those new-fangled compact discs. And your car has a carburetor that’s easy to tune ...

Could you please tell me if the Holley carb in these photos has mechanical or vacuum secondaries? I don't know much about these things. No time like the present to learn, Arron. If, as per your photos ...