Kind of, but we’ll get to that. A quick before and after. Before, I had a surging idle (from 660 up to 940 rpm at the worst of times) with random stalls and weak vacuum (~ 14 inHg). Now, I have rock-steady idle (850 +/-10 rpm) and good strong vacuum (18 inHg). Here’s a video showing the typical readings I get, both ‘before’ and ‘after’ the fix. Vacuum gauge on…