Originally Posted by MikeyOrange88
My carb has the same 'added plate' (black with round stud on it) that the throttle cable attaches to, and pretty sure it is stock. The secondaries open via vacuum, not mechanically on that year also, correct? Vacuum on my '88 anyway. I've had issues with getting them to open previously, so was curious. Is your picture before or after you moved it? Thanks.
You are correct on the vacuum operated secondaries. If you can't get your secondaries to open, you could have a ruptured secondary diaphragm. You need an intact secondary diaphragm in order for the secondaries to perform.