Reply to "351C trouble."

forestgMember

I'm not sure I want to try to explain why non opening exhaust valve causes popping back through the carb because I would probably be wrong and everyone would feel obligated to waste a bunch of bandwidth pointing out why I was wrong. The reason I noted that it can happen is that I noticed it happening on my trans am when an exhaust lobe went flat. I believe it has to do with pressure being trapped due to exhaust not opening and then relieveing into the intake when the intake opens.

7/15/049:41 PM

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