I had the distributor out of one of my "A's" and decided to use a new distributor that I've had saved back for when one of them got worn enough to replace. Wasn't really anything wrong with the one I replaced, just thought I would try the new one because it has the "B" cam. I couldn't believe it was the same car in the way it started, ran and performed. I have always had to choke a little to start it when it's cold starting, not now. Runs and pulls better. It even sounds different and idles smoother than before. I've had this distributor for at least 5 years and could have been enjoying it all of this time.