I have the air cleaner on. This started when I put on a newer carburetor that I got from a friend. Its actually a Rochester B that doesn't leak and appears to be in good shape.

Is it possible that my timing could have changed much when I switched carbs?


1956 Chevy 3200, 1/2 Ton, 235 CI
https://photos.app.goo.gl/TQQo1YnFjs3U7xB57