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996 valve seat failure?

  • 2003
  • 911 Carrera Cabriolet
72 000

I recently lost an engine when the #1 cylinder self destruct ed. I was having issues with an intermittent miss and my mechanic thought it was an intake leak. I heard a ticking noise and had it towed in and I was told the noise was the rails and all was OK with the engine a day before it came apart. Has anyone seen this? I have a hard time believing the two issues are not related.

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