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Old 04-18-2018, 10:45 AM   #1
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Plugs for 2007 Shelby GT

I've gotten conflicting advice about whether or not my 2007 Shelby GT with stock 4.6L 3-valve engine was originally built with the spark plugs that are prone to breakage when removed. What's the correct answer? If the problematic plugs are installed, I'll take it to the dealer as I did my 2007 Expedition and cough up the $300 they charged to replace its plugs.

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Old 04-18-2018, 11:12 AM   #2
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Research I’ve done showed this was improved in mid year of 08. Went to a 2 piece spark plug.

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Old 04-18-2018, 12:20 PM   #3
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If they've never been changed they are likely the sucky ones. You can buy a tool to get them out yourself but it's still a *****. I'd just take it to Ford and have them do it honestly... sucks but you'll be in and out and no danger of the car being down for days while you wait for the right tool to get a broke plug out.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.

Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.
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