This is my first time posting so I'm sorry if this is in the wrong thread, so I have a 69 mustang with a 351 Cleveland in it and it has been running fine up until yesterday when I was driving home and it started to make this clacking noise it seems to be coming from the drivers side valve cover so I pulled it off and I'm not entirely sure what it could be
351 Clacking
- Thread starter jcook69stang
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