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  1. W

    Valve cover / manifold smoke on start-up

    Yeah that's kind of what I figured. Thought I'd get a few opinions before tackling it. Thanks 👍
  2. W

    Valve cover / manifold smoke on start-up

    I have 2011 Rubicon with the 3.8. It sat for about a month and now upon warmup it starts so smoke either out of the manifold or valve cover. Smells like burnt oil. What do guys think? Valve cover seal gone or something worse? Thanks in advance.