So I have now finally fixed my surging idle problem as well. Last week I decided to descreen/debaffle the maf and elbow. At the same time I replaced the spark plugs. I started it and it ran great, my idle is much smoother than before. Crank time seems to have been reduced as well. I drove it until the engine warmed up and when I came up to a light I was expecting the surging idle, but it didn't happen. After a week, including driving from NH to Virginia, still no surging! I am very excited to have my car running properly again!