I was about to post a question about mine and saw this thread. I have no idea what is wrong with mine. I sold it 3 years ago and it sat for the last 2 years. I bought it back and have been restoring it. Runs strong but there is a noise that matches the RPMs. It fluctuates evenly with RPMs does not go away when RPMs go up. It sounds similar to when a bearing in a pulley goes bad. Kind of a steady grind/whine noise. It isn't a rattle. Hard to tell but seems like it is somewhere in the snout. Car has 150k on it. Any ideas what the most likely cause could be?
Thanks!!
