Pulling V.A at idle

So the front ( primary) and rear ( Secondaries) are independent of each other?as far as where they sit, throttle flat ( closed, w return spring pulling em shut?)
Get the carburetor off. Don't MESS with anything. Flip it over and take a GOOD picture of thethrottle plates and how much of the transfer slots are exposed on the primary AND secondary sides and post that picture. JUST like it is.