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A couple of questions

Discussion in '2nd Generation Shelby Mustangs' started by 2007ShelbyGT, Nov 15, 2013.

  1. 2007ShelbyGT

    2007ShelbyGT Member

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    2007 Shelby GT - 4.6 normal - The car has only 12k on it. I only put maybe 1K on it a year and it's stored in Florida. I use Mobile 1 synthetic - how often do i have to change the oil. Seems like a waste to change it every 2 years?? Oil looks clean. Further i hear that the spark plugs can come loose on these motor???? How do you know?? It is a lot of work to check them as the motor has those plastic covers over the top and valve covers for looks. Is this really an issue???
     
  2. S8MS-01904

    S8MS-01904 Well-Known Member

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    Oil, no answer.

    Sparkplugs, it's not that they come loose, it's that they fall apart when replacing them. Google it, it's ugly. They are a three piece plug. I'd pull them if it was my car and replace with a one piece design.
     

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