Holley 4779-2 rebuild

Nope. 4 corner idle is it's own deal. It's a good option to have if you have.

When you look at the jetting that came std in a holley 4bbl, if the secondary is the same size as primary, it will usually have a secondary PV. If the secondary jet is larger, then it doesn't.

In your case, you have something that is not stock. If using the factory 4779-2 primary metering block, use the same jet spread as the original, 10 larger in rear, as a baseline.