I just assumed that that was like a throttle plate, and was connected to the linkage.. I'm so GMish..
Steve I'm following your post about the airflow pots, and will have a coule of questions that I hope you or somene else will be able to answer.. I plan to order it, and replace it. Mine looks original, and is surely worn out. That's bound to be what is causing my surging idle..
THanks for thr help,