Idle Transfer Slot on secondaries?

340inabbody said
Posting here as I haven’t gotten much traction on FBBO.

Carb is a Holley 650 Double Pumper.

Does the idle circuit use the transfer slots on the secondary as well as the primary? Or are the secondary transfer slots for smoothing the transition from primary to secondaries?

Or another way to ask.

Do I need to have the transfer slots on the secondaries exposed the same way as on the primary side (just a small square)?

Thank you for taking the time to read and respond!
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In most cases the transfer slot on the secondary's are usually shorter and higher. To get the so called small square window on the secondary's would require you to open them too far allowing too much are in and raising the idle speed.