Stop in for a cup of coffee

Do I just plug the other side then? This set up is different than the old Holleys I've got experience with

Not unless it has a fuel transfer tube from one bowl to the other...

The rear bowl will not get fuel if not...

If it's set up for dual feed, then you need a dual feed fuel line...

If it's set up for single feed, then it will have a transfer tube between the two bowls...